Change Gear Set for Watchmakers Lathe Screw Cutting Attachment with short 60 Tooth drive gear. Change gear tooth counts are 36, 40, 44, 48, 50, 54, 60, 72, 84, 96, 100. Gears are 48 pitch, 14.5 degree pressure angle (same as used by Levin & Derbyshire change gears). Bore with 1/16 keyway. 60 tooth spindle drive gear, 48 pitch, and bore of. 605″ with 1/4″ shoulder. Will need to have bushing made to fit headstock spindle. Gears are un-used and made of steel with a light nickel wash/plating. Some gears may be tarnished and the cosmetic appearance may vary with some lighter or heavier tooling marks on flat surface of gears. The free listing tool. The item “Change Gear Set for Watchmakers Lathe Screw Cutting Attachment, short drive gear” is in sale since Friday, November 16, 2018. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits”. The seller is “btlgrd” and is located in Alpharetta, Georgia. This item can be shipped worldwide.