Onishi Hexagonal Shaft Tap M4 x 0.7 NO28-M4 1 piece

Catalog number: NO28-M4 Features: ●Attach to a power tool with forward and reverse rotation such as an impact driver to quickly drill screw holes. Applications: ●Forming and correcting threads on blind holes and through holes. ●Cutting materials: iron, aluminum, brass. Specifications: ●Nominal size: M4 ●Pitch (mm): 0.70 ●Thread length (mm): 20 ●Total length (mm): 70 ●Shank diameter (mm): 6.35 (hexagonal shaft) ●Pilot hole diameter (mm): 3.3 ●Machining thread: metric thread Material/Finish: ●Alloy tool steel (SKS2) Caution: ●Cannot be used with power tools other than those with forward and reverse rotation. ●When tapping, be sure to use tapping oil (lubricant).