Brand: RUKO Item: Hand tap Material: High-speed steel (HSS) Application: Thread making Finish: Bright Thread Length: 24mm Overall Length: 2.8in (71mm) For Use On: Aluminum, brass, plastic, steel, bronze and cast iron Thread: M10 x 1.50 coarse threads per DIN 352 Tap Drill Size: 8.5mm Shank: Square shank per DIN 10 RUKO hand tap, M10 x 1.50 coarse, square shank per DIN 10, high-speed steel (HSS), bright finish.