Dormer F1405/16 Series F140 HSS BSW Gun Nosed Machine Die, Bright Finish, 5/16" x 18 x 9mm

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

Medium fit tolerance - designed to create accurate screw threads to medium fit tolerance

Machine die - used on machines for creating external threads in many materials including steel, aluminium, stainless steels and cast iron