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Mini-Lathe 25 Tooth and 75 Tooth Metal Gearwheels

25 tooth and 75 tooth metal change wheels suitable for SIEG C2, C3, SC2, SC3 and other mini-lathes.

Code Number of Teeth Material Diameter Width Bore Keyway
090-020-02125 25 Aluminium 27mm 8mm 12mm 3mm
090-020-02175 75 77mm

Click here for change wheel combination tables:
Acrobat File Cutting Worm Gears - DP and MOD threads on the Mini-Lathe.

The data sheet includes 4 tables showing change wheel combinations to cut Diametral pitch (from DP20 to DP80) and Module pitch (from Mod 0.1 to Mod 1.25) threads on Mini-Lathe fitted with either a 16TPI or a 1.5mm pitch leadscrew.

Our thanks to Brian Wood, author of the book Gearing of Lathes for Screwcutting to be published later in 2016 by The Crowood Press, Marlborough, SN8 2HR.

Note: Additional gears beyond those supplied with your machine may also be required to cut some threads.
We stock a range of individual plastic gears and metal gear sets:

Mini-Lathe Change Gears
Plastic Gears
Shortcut to Metal Change Gear Sets
Books
Shortcut to Gearing of Lathes for Screwcutting by Brian Wood
Shortcut to The Mini-Lathe by Neil Wyatt
090-020-02125 Mini-Lathe Metal Gearwheel 25T £5.36 Excl.VAT
£6.43 Inc.VAT
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090-020-02175 Mini-Lathe Metal Gearwheel 75T £9.24 Excl.VAT
£11.09 Inc.VAT
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090-020-02100 Mini-Lathe Metal Gearwheel 63T £8.18 Excl.VAT
£9.82 Inc.VAT
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