Dormer E2294 48 Series E229 HSS E PM Straight Flute Machine Tap UNF with Bright Finish, DIN371 Standard, 4" Thread, 2.845 mm Cutting Diameter, 56 Length

Bright 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 Straight flute - designed for efficient threading of through and blind holes DIN Standard - manufactured conforming to the German institute for standardisation Versatile product - first choice for tapping aluminium, also suitable for steel, stainless steel and cast iron