Dormer E0216 32 Series E021 HSS E PM Spiral Point Machine Tap UNC with Steam Tempered Finish, ISO Standard, 6" Thread, 3.505 mm Cutting Diameter, 50 Length

Steam Tempered finish - prevents work piece material from sticking to the cutting edge Premium HSS-E-PM material - powder metal high speed cobalt provides superior performance and extended tool life Spiral point - designed for efficient threading of through holes ISO Standard - manufactured conforming to the international standardisation organisation Versatile product - first choice for tapping steels and stainless steel, also suitable for aluminium and cast irons