Dormer E542BA3NO1 Series E542 HSS BA3 Straight Flute Hand Tap, Bright Finish, 0.73mm x 55mm, 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