Dormer E1111/4NO9 Series E111 HSS Straight Flute Serial Hand Tap UNF with Bright Finish, DIN352 Standard, NO9, 1/4" 28 Thread, 6.35 mm Cutting Diameter, 56 Length

Bright finish - prevents work piece material from sticking to the cutting edge Premium HSS material - high speed steel 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