Keys - Machine– Page2 – Miniature Bearings Australia - MBA Minibearings- Domestic & Export

Width (W)	Height (h)	Length (L)	Indicative Image
Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key
Width (W) 2.38 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (h) 2.38 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 31.75 mm _{+/- 0.25} (Equiv. 1.25 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0238-0238-3175A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 25, 2026 Regular price $458.77 AUD Regular price Sale price $458.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (W)	Height (h)	Length (L)	Indicative Image
Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key
Width (W) 2.38 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Height (h) 2.38 mm _{+ 0 / - 0.051} (Equiv. 0.094 in.)	Length (L) 31.75 mm _{+/- 0.25} (Equiv. 1.25 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0238-0238-3175A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 25, 2026 Regular price $458.77 AUD Regular price Sale price $458.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0238-0238-3175A-C (PK-100) --- Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key K-0238-0238-3175A-C (PK-100) --- Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key Regular price $458.77 AUD Regular price Sale price $458.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Machine Keys - 2.778x2.778x6.5 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Width (W) 2.778 mm _{+/- 0.025} (Equiv. 0.109 in.)	Height (h) 2.778 mm _{+/- 0.025} (Equiv. 0.109 in.)	Length (L) 6.50 mm _{+/- 0.50} (Equiv. 0.256 in.)
Material: Stainless Steel 316 (Similar to A4, 18-10) Finish: Plain Category: Keys - Machine - Stainless Steel Deleted Item. Available while stocks last.
Part Number: K-0278-0278-0650B-6 (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 2.778x2.778x6.5 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Width (W) 2.778 mm _{+/- 0.025} (Equiv. 0.109 in.)	Height (h) 2.778 mm _{+/- 0.025} (Equiv. 0.109 in.)	Length (L) 6.50 mm _{+/- 0.50} (Equiv. 0.256 in.)
Material: Stainless Steel 316 (Similar to A4, 18-10) Finish: Plain Category: Keys - Machine - Stainless Steel Deleted Item. Available while stocks last.
Part Number: K-0278-0278-0650B-6 (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0600AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Deleted Item. Available while stocks last.
Part Number: K-0300-0300-0600A-C (Each) 1 Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $1.00 AUD Regular price ~~$1.90 AUD~~ Sale price $1.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 6.00 mm _{+/- 0.25} (Equiv. 0.236 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Deleted Item. Available while stocks last.
Part Number: K-0300-0300-0600A-C (Each) 1 Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $1.00 AUD Regular price ~~$1.90 AUD~~ Sale price $1.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
K-0300-0300-0600A-C (Each) --- Machine Keys - 3x3x6 mm - Carbon Steel C45 Key Sale K-0300-0300-0600A-C (Each) --- Machine Keys - 3x3x6 mm - Carbon Steel C45 Key Regular price $1.00 AUD Regular price ~~$1.90 AUD~~ Sale price $1.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-0800B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x8 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 483
Part Number: K-0300-0300-0800A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $36.32 AUD Regular price ~~$43.58 AUD~~ Sale price $36.32 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x8 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 8.00 mm _{+/- 0.25} (Equiv. 0.315 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 483
Part Number: K-0300-0300-0800A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $36.32 AUD Regular price ~~$43.58 AUD~~ Sale price $36.32 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-0800A-C (PK-100) --- Machine Keys - 3x3x8 mm - Carbon Steel Key Sale K-0300-0300-0800A-C (PK-100) --- Machine Keys - 3x3x8 mm - Carbon Steel Key Regular price $36.32 AUD Regular price ~~$43.58 AUD~~ Sale price $36.32 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 316 (Similar to A4, 18-10) Category: Keys - Machine - Stainless Steel
Part Number: K-0300-0300-1000A-6 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 03, 2026 Regular price $36.59 AUD Regular price ~~$43.91 AUD~~ Sale price $36.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 316 (Similar to A4, 18-10) Category: Keys - Machine - Stainless Steel
Part Number: K-0300-0300-1000A-6 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 03, 2026 Regular price $36.59 AUD Regular price ~~$43.91 AUD~~ Sale price $36.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000A-6 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key Sale K-0300-0300-1000A-6 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key Regular price $36.59 AUD Regular price ~~$43.91 AUD~~ Sale price $36.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 52
Part Number: K-0300-0300-1000B-C (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $14.50 AUD Regular price Sale price $14.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 52
Part Number: K-0300-0300-1000B-C (PK-5) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $14.50 AUD Regular price Sale price $14.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000B-C (PK-5) --- Machine Keys - 3x3x10 mm - Carbon Steel C45 Key K-0300-0300-1000B-C (PK-5) --- Machine Keys - 3x3x10 mm - Carbon Steel C45 Key Regular price $14.50 AUD Regular price Sale price $14.50 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W) 3.00 mm (Equiv. 0.118 in.)	Height (h) 3.00 mm (Equiv. 0.118 in.)	Length (L) 10.00 mm (Equiv. 0.394 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000AB-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W) 3.00 mm (Equiv. 0.118 in.)	Height (h) 3.00 mm (Equiv. 0.118 in.)	Length (L) 10.00 mm (Equiv. 0.394 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1000AB-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000AB-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key Sale K-0300-0300-1000AB-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Width (W) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 303 (Similar to A2, 304, 18-8) Category: Keys - Machine - Stainless Steel
Part Number: K-0300-0300-1000A-3 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 24, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Width (W) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 303 (Similar to A2, 304, 18-8) Category: Keys - Machine - Stainless Steel
Part Number: K-0300-0300-1000A-3 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Feb 24, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 4828
Part Number: K-0300-0300-1000A-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $3.77 AUD Regular price ~~$4.53 AUD~~ Sale price $3.77 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 4828
Part Number: K-0300-0300-1000A-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $3.77 AUD Regular price ~~$4.53 AUD~~ Sale price $3.77 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000A-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key Sale K-0300-0300-1000A-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key Regular price $3.77 AUD Regular price ~~$4.53 AUD~~ Sale price $3.77 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key Sale K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Mar 25, 2026 Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Mar 25, 2026 Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Sale K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm (Equiv. 0.118 in.)	Height (h) 3.00 mm (Equiv. 0.118 in.)	Length (L) 12.00 mm (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200AB-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm (Equiv. 0.118 in.)	Height (h) 3.00 mm (Equiv. 0.118 in.)	Length (L) 12.00 mm (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1200AB-C (PK-10) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Feb 01, 2026 Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1200AB-C (PK-10) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Sale K-0300-0300-1200AB-C (PK-10) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Regular price $12.14 AUD Regular price ~~$14.56 AUD~~ Sale price $12.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Sep 12, 2028
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 339
Part Number: K-0300-0300-1400A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 339
Part Number: K-0300-0300-1400A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Fri, Jan 23, 2026 Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key Sale K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

Miniature Bearings Australia

Collection: Keys - Machine

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K-0238-0238-3175A-C (PK-100) --- Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key

K-0238-0238-3175A-C (PK-100) --- Machine Keys - 2.38x2.38x31.75 mm - Carbon Steel Key

K-0300-0300-0600A-C (Each) --- Machine Keys - 3x3x6 mm - Carbon Steel C45 Key

K-0300-0300-0600A-C (Each) --- Machine Keys - 3x3x6 mm - Carbon Steel C45 Key

K-0300-0300-0800A-C (PK-100) --- Machine Keys - 3x3x8 mm - Carbon Steel Key

K-0300-0300-0800A-C (PK-100) --- Machine Keys - 3x3x8 mm - Carbon Steel Key

K-0300-0300-1000A-6 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key

K-0300-0300-1000A-6 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key

K-0300-0300-1000B-C (PK-5) --- Machine Keys - 3x3x10 mm - Carbon Steel C45 Key

K-0300-0300-1000B-C (PK-5) --- Machine Keys - 3x3x10 mm - Carbon Steel C45 Key

K-0300-0300-1000AB-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key

K-0300-0300-1000AB-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key

K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

K-0300-0300-1000A-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key

K-0300-0300-1000A-C (PK-10) --- Machine Keys - 3x3x10 mm - Carbon Steel Key

K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key

K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key

K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1200AB-C (PK-10) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1200AB-C (PK-10) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key

K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key

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Country/region

Miniature Bearings Australia

Collection: Keys - Machine

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