Dormer E542BA4NO1 Series E542 HSS BA4 Straight Flute Hand Tap, Bright Finish, 0.66mm x 50mm, No.1

Bright finish - prevents work piece material from sticking to the cutting edge Premium HSS material - high speed steel provides superior performance and extend tool life Straight flute - designed for efficient threading of through and blind holes ISO Standard - manufactured conforming to the international standardisation organisation Versatile product - first choice for tapping aluminium, also suitable for steel, stainless steels and cast iron