Collection: Keysteel Lengths - Square - Carbon Steel

Keysteel Lengths -> Square -> Carbon Steel

There are 204 products in the sub-categories of Keysteel Lengths - Square - Carbon Steel. Scroll down or follow the link to Keysteel Lengths - Square - Carbon Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Carbon Steel Square Keysteel Lengths. Plain carbon steel key steel. Square steel bar that can be used for keysteel or for small construction projects.

An expanded range may be available on special order. Please enquire.
Use oversized for replacing keys where the keyway may be slightly worn - standard aftermarket keysteel
Use undersized for manufacturing and new applications where the keyway tolerances can be controlled

Miniature Bearings Australia - MBA Minibearings

Additional resources:

Keysteel Catalogue PDF

A more concise listing may be found in the Keysteel Lengths - Square - Carbon Steel category on the Small Parts & Bearings online store.

Width (s1)	Height (s2)	Length (L)	Indicative Image
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 1544
Part Number: 4R-0016-0300-KPO (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $53.86 AUD Regular price ~~$64.64 AUD~~ Sale price $53.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1)	Height (s2)	Length (L)	Indicative Image
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 1544
Part Number: 4R-0016-0300-KPO (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $53.86 AUD Regular price ~~$64.64 AUD~~ Sale price $53.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0016-0300-KPO (PK-50) --- Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045 Sale 4R-0016-0300-KPO (PK-50) --- Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045 Regular price $53.86 AUD Regular price ~~$64.64 AUD~~ Sale price $53.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 420
Part Number: 4R-0016-0300-KPU (PK-5) 1 pack (5 pcs) Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $6.32 AUD Regular price Sale price $6.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 420
Part Number: 4R-0016-0300-KPU (PK-5) 1 pack (5 pcs) Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $6.32 AUD Regular price Sale price $6.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (5 pcs) Available Now. Backorder if more than 1.
4R-0016-0300-KPU (PK-5) --- Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045 4R-0016-0300-KPU (PK-5) --- Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045 Regular price $6.32 AUD Regular price Sale price $6.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties 1 Available Now
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 250
Part Number: 4R-0016-0914-KPO (Each) 19 Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $5.32 AUD Regular price Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 19 available can be backordered.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0.051 / - 0.00} (Equiv. 0.063 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 250
Part Number: 4R-0016-0914-KPO (Each) 19 Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $5.32 AUD Regular price Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 19 Available Now. Backorder if more than 19.
4R-0016-0914-KPO (Each) --- Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045 4R-0016-0914-KPO (Each) --- Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045 Regular price $5.32 AUD Regular price Sale price $5.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 19 Available Now
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red
Part Number: 4R-0016-0914-KPU (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 03, 2026 Regular price $607.50 AUD Regular price ~~$729.00 AUD~~ Sale price $607.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Height (s2) 1.588 mm _{+ 0 / - 0.051} (Equiv. 0.063 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red
Part Number: 4R-0016-0914-KPU (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 03, 2026 Regular price $607.50 AUD Regular price ~~$729.00 AUD~~ Sale price $607.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0016-0914-KPU (PK-100) --- Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045 Sale 4R-0016-0914-KPU (PK-100) --- Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045 Regular price $607.50 AUD Regular price ~~$729.00 AUD~~ Sale price $607.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Width (s1) 2.000 mm _{+ 0 / - 0.051} (Equiv. 0.079 in.)	Height (s2) 2.000 mm _{+ 0 / - 0.051} (Equiv. 0.079 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1324
Part Number: 4R-0020-0300-KPU (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $7.05 AUD Regular price Sale price $7.05 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Width (s1) 2.000 mm _{+ 0 / - 0.051} (Equiv. 0.079 in.)	Height (s2) 2.000 mm _{+ 0 / - 0.051} (Equiv. 0.079 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1324
Part Number: 4R-0020-0300-KPU (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $7.05 AUD Regular price Sale price $7.05 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0020-0300-KPU (PK-5) --- Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045 4R-0020-0300-KPU (PK-5) --- Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045 Regular price $7.05 AUD Regular price Sale price $7.05 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1291
Part Number: 4R-0024-0300-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1291
Part Number: 4R-0024-0300-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0024-0300-KPU (Each) --- Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045 4R-0024-0300-KPU (Each) --- Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045 Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 837
Part Number: 4R-0024-0300-KPO (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 837
Part Number: 4R-0024-0300-KPO (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0024-0300-KPO (PK-5) --- Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045 4R-0024-0300-KPO (PK-5) --- Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045 Regular price $15.95 AUD Regular price Sale price $15.95 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 386
Part Number: 4R-0024-0914-KPO (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $4.41 AUD Regular price ~~$5.29 AUD~~ Sale price $4.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0.051 / - 0.00} (Equiv. 0.094 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 386
Part Number: 4R-0024-0914-KPO (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $4.41 AUD Regular price ~~$5.29 AUD~~ Sale price $4.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0024-0914-KPO (Each) --- Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045 Sale 4R-0024-0914-KPO (Each) --- Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045 Regular price $4.41 AUD Regular price ~~$5.29 AUD~~ Sale price $4.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1569
Part Number: 4R-0024-0914-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $10.59 AUD Regular price ~~$12.71 AUD~~ Sale price $10.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (s2) 2.381 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 1569
Part Number: 4R-0024-0914-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $10.59 AUD Regular price ~~$12.71 AUD~~ Sale price $10.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0024-0914-KPU (Each) --- Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045 Sale 4R-0024-0914-KPU (Each) --- Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045 Regular price $10.59 AUD Regular price ~~$12.71 AUD~~ Sale price $10.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 347
Part Number: 4R-0030-0300-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $3.95 AUD Regular price Sale price $3.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 347
Part Number: 4R-0030-0300-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $3.95 AUD Regular price Sale price $3.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0030-0300-KPU (Each) --- Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045 4R-0030-0300-KPU (Each) --- Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045 Regular price $3.95 AUD Regular price Sale price $3.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 1000 mm _{+/- 3.2} (Equiv. 39.37 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 167
Part Number: 4R-0030-1000-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 1000 mm _{+/- 3.2} (Equiv. 39.37 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 167
Part Number: 4R-0030-1000-KPU (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0030-1000-KPU (Each) --- Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045 Sale 4R-0030-1000-KPU (Each) --- Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045 Regular price $7.77 AUD Regular price ~~$9.33 AUD~~ Sale price $7.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.118 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0030-3000-KPO (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Width (s1) 3.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.118 in.)	Height (s2) 3.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.118 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0030-3000-KPO (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Sep 15, 2028
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 1010
Part Number: 4R-0032-0300-KPO (PK-7) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $8.77 AUD Regular price ~~$10.53 AUD~~ Sale price $8.77 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 1010
Part Number: 4R-0032-0300-KPO (PK-7) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $8.77 AUD Regular price ~~$10.53 AUD~~ Sale price $8.77 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0032-0300-KPO (PK-7) --- Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045 Sale 4R-0032-0300-KPO (PK-7) --- Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045 Regular price $8.77 AUD Regular price ~~$10.53 AUD~~ Sale price $8.77 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 3059
Part Number: 4R-0032-0300-KPU (PK-7) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $14.23 AUD Regular price ~~$17.07 AUD~~ Sale price $14.23 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 3059
Part Number: 4R-0032-0300-KPU (PK-7) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $14.23 AUD Regular price ~~$17.07 AUD~~ Sale price $14.23 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0032-0300-KPU (PK-7) --- Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045 Sale 4R-0032-0300-KPU (PK-7) --- Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045 Regular price $14.23 AUD Regular price ~~$17.07 AUD~~ Sale price $14.23 AUD Unit price per Priced, Stocked and Sold Per 7 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 688
Part Number: 4R-0032-0914-KPU (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $18.95 AUD Regular price ~~$22.75 AUD~~ Sale price $18.95 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 688
Part Number: 4R-0032-0914-KPU (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $18.95 AUD Regular price ~~$22.75 AUD~~ Sale price $18.95 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0032-0914-KPU (PK-3) --- Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045 Sale 4R-0032-0914-KPU (PK-3) --- Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045 Regular price $18.95 AUD Regular price ~~$22.75 AUD~~ Sale price $18.95 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 218
Part Number: 4R-0032-0914-KPO (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $13.05 AUD Regular price ~~$15.65 AUD~~ Sale price $13.05 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 218
Part Number: 4R-0032-0914-KPO (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $13.05 AUD Regular price ~~$15.65 AUD~~ Sale price $13.05 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0032-0914-KPO (PK-3) --- Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045 Sale 4R-0032-0914-KPO (PK-3) --- Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045 Regular price $13.05 AUD Regular price ~~$15.65 AUD~~ Sale price $13.05 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 1800 mm _{+/- 3.2} (Equiv. 70.866 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 4
Part Number: 4R-0032-1800-KPU (PK-2) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0 / - 0.051} (Equiv. 0.125 in.)	Length (L) 1800 mm _{+/- 3.2} (Equiv. 70.866 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 4
Part Number: 4R-0032-1800-KPU (PK-2) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Sep 15, 2028
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0032-3000-KPO (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0032-3000-KPO (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Sep 15, 2028
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 1800 mm _{+/- 3.2} (Equiv. 70.866 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 144
Part Number: 4R-0032-1800-KPO (PK-2) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Height (s2) 3.175 mm _{+ 0.051 / - 0.00} (Equiv. 0.125 in.)	Length (L) 1800 mm _{+/- 3.2} (Equiv. 70.866 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 144
Part Number: 4R-0032-1800-KPO (PK-2) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Sep 15, 2028
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 233
Part Number: 4R-0039-0300-KPO (Each) 45 Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $6.59 AUD Regular price Sale price $6.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 45 available can be backordered.
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 233
Part Number: 4R-0039-0300-KPO (Each) 45 Available Now \| Further orders can be expected around Sun, Jan 25, 2026 Regular price $6.59 AUD Regular price Sale price $6.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 45 Available Now. Backorder if more than 45.
4R-0039-0300-KPO (Each) --- Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045 4R-0039-0300-KPO (Each) --- Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045 Regular price $6.59 AUD Regular price Sale price $6.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 45 Available Now
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 210
Part Number: 4R-0040-0914-KPO (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $9.86 AUD Regular price ~~$11.84 AUD~~ Sale price $9.86 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0.051 / - 0.00} (Equiv. 0.156 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue Additional stock available from USA subject to Prior Sale = 210
Part Number: 4R-0040-0914-KPO (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $9.86 AUD Regular price ~~$11.84 AUD~~ Sale price $9.86 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0040-0914-KPO (PK-2) --- Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Sale 4R-0040-0914-KPO (PK-2) --- Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Regular price $9.86 AUD Regular price ~~$11.84 AUD~~ Sale price $9.86 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0 / - 0.051} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0 / - 0.051} (Equiv. 0.156 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 23
Part Number: 4R-0040-0914-KPU (PK-16) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $244.14 AUD Regular price ~~$292.96 AUD~~ Sale price $244.14 AUD Unit price per Priced, Stocked and Sold Per 16 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1) 3.969 mm _{+ 0 / - 0.051} (Equiv. 0.156 in.)	Height (s2) 3.969 mm _{+ 0 / - 0.051} (Equiv. 0.156 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 23
Part Number: 4R-0040-0914-KPU (PK-16) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $244.14 AUD Regular price ~~$292.96 AUD~~ Sale price $244.14 AUD Unit price per Priced, Stocked and Sold Per 16 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0040-0914-KPU (PK-16) --- Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Sale 4R-0040-0914-KPU (PK-16) --- Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Regular price $244.14 AUD Regular price ~~$292.96 AUD~~ Sale price $244.14 AUD Unit price per Priced, Stocked and Sold Per 16 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1) 4.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.157 in.)	Height (s2) 4.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.157 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0040-0300-KPO (Each) 26 Available Now \| Further orders can be expected around Sat, Jan 31, 2026 Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 26 available can be backordered.
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1) 4.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.157 in.)	Height (s2) 4.000 mm _{+ 0.051 / - 0.00} (Equiv. 0.157 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Oversized End Colour Code: Blue
Part Number: 4R-0040-0300-KPO (Each) 26 Available Now \| Further orders can be expected around Sat, Jan 31, 2026 Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 26 Available Now. Backorder if more than 26.
4R-0040-0300-KPO (Each) --- Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 4R-0040-0300-KPO (Each) --- Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 26 Available Now
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1) 4.000 mm _{+ 0 / - 0.051} (Equiv. 0.157 in.)	Height (s2) 4.000 mm _{+ 0 / - 0.051} (Equiv. 0.157 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 660
Part Number: 4R-0040-0300-KPU (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $8.32 AUD Regular price ~~$9.98 AUD~~ Sale price $8.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1) 4.000 mm _{+ 0 / - 0.051} (Equiv. 0.157 in.)	Height (s2) 4.000 mm _{+ 0 / - 0.051} (Equiv. 0.157 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Finish: Plain Tolerance Type: Standard Undersized End Colour Code: Red Additional stock available from USA subject to Prior Sale = 660
Part Number: 4R-0040-0300-KPU (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 25, 2026 Regular price $8.32 AUD Regular price ~~$9.98 AUD~~ Sale price $8.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0040-0300-KPU (PK-5) --- Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Sale 4R-0040-0300-KPU (PK-5) --- Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Regular price $8.32 AUD Regular price ~~$9.98 AUD~~ Sale price $8.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

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Miniature Bearings Australia

Collection: Keysteel Lengths - Square - Carbon Steel

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