Collection: Leadscrew - Length - Imperial - Acme - Alloy Steel

Leadscrew -> Length -> Imperial -> Acme -> Alloy Steel

There are 13 products in the sub-categories of Leadscrew - Length - Imperial - Acme - Alloy Steel. Browse the Leadscrew - Length - Imperial - Acme - Alloy Steel products table.

Category Details

A selection of Alloy Steel Acme Imperial Length Leadscrew. Acme Leadscrew Thread - Use with Acme Supernuts

An expanded range may be available on special order. Please enquire.
Alloy steel heat treated to RC 56-60

Miniature Bearings Australia - MBA Minibearings

Additional resources:

A more concise listing may be found in the Leadscrew - Length - Imperial - Acme - Alloy Steel category on the Small Parts & Bearings online store.

Outside Diameter	Number of Threads Per Inch	Number of Starts	Root Diameter	Lead	Length
Length Leadscrew - 9.525 mm - 12 - 1 Imperial
Outside Diameter 9.525 mm (Equiv. 0.375 in.)	Number of Threads Per Inch 12	Number of Starts 1		Lead 2.1166 mm	Length 304.8 mm
Direction: Right Hand
Part Number: AR2RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $717.50 AUD Regular price Sale price $717.50 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Outside Diameter	Number of Threads Per Inch	Number of Starts	Root Diameter	Indicative Image
Length Leadscrew - 9.525 mm - 12 - 1 Imperial
Outside Diameter 9.525 mm (Equiv. 0.375 in.)	Number of Threads Per Inch 12	Number of Starts 1
Lead: 2.1166 mm Length: 304.8 mm Direction: Right Hand
Part Number: AR2RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $717.50 AUD Regular price Sale price $717.50 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR2RS (PK-3) --- Length Leadscrew - 9.525 mm - 12 - 1 Imperial AR2RS (PK-3) --- Length Leadscrew - 9.525 mm - 12 - 1 Imperial Regular price $717.50 AUD Regular price Sale price $717.50 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Length Leadscrew - Left hand 9.525 mm 12 - 1 Imperial
Outside Diameter Left hand 9.525 mm	Number of Threads Per Inch 12	Number of Starts 1		Lead 2.1166 mm	Length 304.8 mm
Direction: Left Hand
Part Number: AR12RS (PK-4) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,117.77 AUD Regular price Sale price $1,117.77 AUD Unit price per Priced, Stocked and Sold Per 4 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - Left hand 9.525 mm 12 - 1 Imperial
Outside Diameter Left hand 9.525 mm	Number of Threads Per Inch 12	Number of Starts 1
Lead: 2.1166 mm Length: 304.8 mm Direction: Left Hand
Part Number: AR12RS (PK-4) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,117.77 AUD Regular price Sale price $1,117.77 AUD Unit price per Priced, Stocked and Sold Per 4 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR12RS (PK-4) --- Length Leadscrew - Left hand 9.525 mm 12 - 1 Imperial AR12RS (PK-4) --- Length Leadscrew - Left hand 9.525 mm 12 - 1 Imperial Regular price $1,117.77 AUD Regular price Sale price $1,117.77 AUD Unit price per Priced, Stocked and Sold Per 4 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy
Outside Diameter 12.700 mm (Equiv. 0.5 in.)	Number of Threads Per Inch 10	Number of Starts 1		Lead 2.54 mm	Length 304.8 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR3RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $189.05 AUD Regular price ~~$226.85 AUD~~ Sale price $189.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy
Outside Diameter 12.700 mm (Equiv. 0.5 in.)	Number of Threads Per Inch 10	Number of Starts 1
Material: Steel Alloy Lead: 2.54 mm Length: 304.8 mm Direction: Right Hand
Part Number: AR3RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $189.05 AUD Regular price ~~$226.85 AUD~~ Sale price $189.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR3RS (Each) --- Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy Sale AR3RS (Each) --- Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy Regular price $189.05 AUD Regular price ~~$226.85 AUD~~ Sale price $189.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy
Outside Diameter 12.700 mm (Equiv. 0.5 in.)	Number of Threads Per Inch 10	Number of Starts 1		Lead 2.54 mm	Length 609.6 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR23RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $751.95 AUD Regular price ~~$902.35 AUD~~ Sale price $751.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy
Outside Diameter 12.700 mm (Equiv. 0.5 in.)	Number of Threads Per Inch 10	Number of Starts 1
Material: Steel Alloy Lead: 2.54 mm Length: 609.6 mm Direction: Right Hand
Part Number: AR23RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $751.95 AUD Regular price ~~$902.35 AUD~~ Sale price $751.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR23RS (PK-2) --- Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy Sale AR23RS (PK-2) --- Length Leadscrew - 12.7 mm - 10 - 1 Imperial - Steel Alloy Regular price $751.95 AUD Regular price ~~$902.35 AUD~~ Sale price $751.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - Left hand 12.7 mm 10 - 1 Imperial
Outside Diameter Left hand 12.7 mm	Number of Threads Per Inch 10	Number of Starts 1		Lead 2.54 mm	Length 304.8 mm
Direction: Left Hand
Part Number: AR13RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $485.05 AUD Regular price ~~$582.05 AUD~~ Sale price $485.05 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - Left hand 12.7 mm 10 - 1 Imperial
Outside Diameter Left hand 12.7 mm	Number of Threads Per Inch 10	Number of Starts 1
Lead: 2.54 mm Length: 304.8 mm Direction: Left Hand
Part Number: AR13RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $485.05 AUD Regular price ~~$582.05 AUD~~ Sale price $485.05 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR13RS (PK-2) --- Length Leadscrew - Left hand 12.7 mm 10 - 1 Imperial Sale AR13RS (PK-2) --- Length Leadscrew - Left hand 12.7 mm 10 - 1 Imperial Regular price $485.05 AUD Regular price ~~$582.05 AUD~~ Sale price $485.05 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy
Outside Diameter 15.875 mm (Equiv. 0.625 in.)	Number of Threads Per Inch 8	Number of Starts 1		Lead 3.175 mm	Length 304.8 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR4RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,286.41 AUD Regular price Sale price $1,286.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy
Outside Diameter 15.875 mm (Equiv. 0.625 in.)	Number of Threads Per Inch 8	Number of Starts 1
Material: Steel Alloy Lead: 3.175 mm Length: 304.8 mm Direction: Right Hand
Part Number: AR4RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,286.41 AUD Regular price Sale price $1,286.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR4RS (PK-3) --- Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy AR4RS (PK-3) --- Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy Regular price $1,286.41 AUD Regular price Sale price $1,286.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy
Outside Diameter 15.875 mm (Equiv. 0.625 in.)	Number of Threads Per Inch 8	Number of Starts 1		Lead 3.175 mm	Length 609.6 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR24RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $924.95 AUD Regular price ~~$1,109.95 AUD~~ Sale price $924.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy
Outside Diameter 15.875 mm (Equiv. 0.625 in.)	Number of Threads Per Inch 8	Number of Starts 1
Material: Steel Alloy Lead: 3.175 mm Length: 609.6 mm Direction: Right Hand
Part Number: AR24RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $924.95 AUD Regular price ~~$1,109.95 AUD~~ Sale price $924.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR24RS (PK-2) --- Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy Sale AR24RS (PK-2) --- Length Leadscrew - 15.875 mm - 8 - 1 Imperial - Steel Alloy Regular price $924.95 AUD Regular price ~~$1,109.95 AUD~~ Sale price $924.95 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - Left hand 15.875 mm 8 - 1 Imperial
Outside Diameter Left hand 15.875 mm	Number of Threads Per Inch 8	Number of Starts 1		Lead 3.175 mm	Length 304.8 mm
Direction: Left Hand
Part Number: AR14RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,289.41 AUD Regular price Sale price $1,289.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - Left hand 15.875 mm 8 - 1 Imperial
Outside Diameter Left hand 15.875 mm	Number of Threads Per Inch 8	Number of Starts 1
Lead: 3.175 mm Length: 304.8 mm Direction: Left Hand
Part Number: AR14RS (PK-3) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $1,289.41 AUD Regular price Sale price $1,289.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR14RS (PK-3) --- Length Leadscrew - Left hand 15.875 mm 8 - 1 Imperial AR14RS (PK-3) --- Length Leadscrew - Left hand 15.875 mm 8 - 1 Imperial Regular price $1,289.41 AUD Regular price Sale price $1,289.41 AUD Unit price per Priced, Stocked and Sold Per 3 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 19.050 mm (Equiv. 0.75 in.)	Number of Threads Per Inch 6	Number of Starts 1		Lead 4.2333 mm	Length 304.8 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR5RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $581.59 AUD Regular price ~~$697.91 AUD~~ Sale price $581.59 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 19.050 mm (Equiv. 0.75 in.)	Number of Threads Per Inch 6	Number of Starts 1
Material: Steel Alloy Lead: 4.2333 mm Length: 304.8 mm Direction: Right Hand
Part Number: AR5RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $581.59 AUD Regular price ~~$697.91 AUD~~ Sale price $581.59 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR5RS (PK-2) --- Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy Sale AR5RS (PK-2) --- Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy Regular price $581.59 AUD Regular price ~~$697.91 AUD~~ Sale price $581.59 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 19.050 mm (Equiv. 0.75 in.)	Number of Threads Per Inch 6	Number of Starts 1		Lead 4.2333 mm	Length 609.6 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR25RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $574.68 AUD Regular price ~~$689.62 AUD~~ Sale price $574.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 19.050 mm (Equiv. 0.75 in.)	Number of Threads Per Inch 6	Number of Starts 1
Material: Steel Alloy Lead: 4.2333 mm Length: 609.6 mm Direction: Right Hand
Part Number: AR25RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $574.68 AUD Regular price ~~$689.62 AUD~~ Sale price $574.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR25RS (Each) --- Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy Sale AR25RS (Each) --- Length Leadscrew - 19.05 mm - 6 - 1 Imperial - Steel Alloy Regular price $574.68 AUD Regular price ~~$689.62 AUD~~ Sale price $574.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - Left Hand 19.05 mm 6 - 1 Imperial
Outside Diameter Left Hand 19.05 mm	Number of Threads Per Inch 6	Number of Starts 1		Lead 4.2333 mm	Length 304.8 mm
Direction: Left Hand
Part Number: AR15RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $582.41 AUD Regular price ~~$698.89 AUD~~ Sale price $582.41 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - Left Hand 19.05 mm 6 - 1 Imperial
Outside Diameter Left Hand 19.05 mm	Number of Threads Per Inch 6	Number of Starts 1
Lead: 4.2333 mm Length: 304.8 mm Direction: Left Hand
Part Number: AR15RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $582.41 AUD Regular price ~~$698.89 AUD~~ Sale price $582.41 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR15RS (PK-2) --- Length Leadscrew - Left Hand 19.05 mm 6 - 1 Imperial Sale AR15RS (PK-2) --- Length Leadscrew - Left Hand 19.05 mm 6 - 1 Imperial Regular price $582.41 AUD Regular price ~~$698.89 AUD~~ Sale price $582.41 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 22.225 mm (Equiv. 0.875 in.)	Number of Threads Per Inch 6	Number of Starts 1		Lead 4.2333 mm	Length 304.8 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR6RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $671.32 AUD Regular price ~~$805.58 AUD~~ Sale price $671.32 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 22.225 mm (Equiv. 0.875 in.)	Number of Threads Per Inch 6	Number of Starts 1
Material: Steel Alloy Lead: 4.2333 mm Length: 304.8 mm Direction: Right Hand
Part Number: AR6RS (PK-2) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $671.32 AUD Regular price ~~$805.58 AUD~~ Sale price $671.32 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR6RS (PK-2) --- Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy Sale AR6RS (PK-2) --- Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy Regular price $671.32 AUD Regular price ~~$805.58 AUD~~ Sale price $671.32 AUD Unit price per Priced, Stocked and Sold Per 2 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 22.225 mm (Equiv. 0.875 in.)	Number of Threads Per Inch 6	Number of Starts 1		Lead 4.2333 mm	Length 609.6 mm
Material: Steel Alloy Direction: Right Hand
Part Number: AR26RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $652.05 AUD Regular price ~~$782.45 AUD~~ Sale price $652.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy
Outside Diameter 22.225 mm (Equiv. 0.875 in.)	Number of Threads Per Inch 6	Number of Starts 1
Material: Steel Alloy Lead: 4.2333 mm Length: 609.6 mm Direction: Right Hand
Part Number: AR26RS (Each) Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jan 18, 2026 Regular price $652.05 AUD Regular price ~~$782.45 AUD~~ Sale price $652.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
AR26RS (Each) --- Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy Sale AR26RS (Each) --- Length Leadscrew - 22.225 mm - 6 - 1 Imperial - Steel Alloy Regular price $652.05 AUD Regular price ~~$782.45 AUD~~ Sale price $652.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale