Dormer F100M4 Series F100 HSS Gun Nosed Machine Die, Bright Finish, M4 x 0.70mm 5mm

Bright finish - prevents work piece material from sticking to the cutting edges Premium HSS material - high speed steel provides superior performance and extend tool life Gun Nosed geometry - designed to direct the chips away from the cutting edges to improve performance 6g tolerance - designed to create accurate screw threads to 6g tolerance Machine die - used on machines for creating external threads in many materials including steel, aluminium, stainless steels and cast iron