Dormer F2721 Series F272 HSS BSP(G) Die Nut, Bright Finish, 1" x 11 18mm

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 Die Nut - designed for repairing damaged external threads by re-cutting the original thread form Class A tolerance - designed to create accurate screw threads to class a tolerance Hand die - should only be used for repairing threads by hand with the appropriate spanner