IS 4918 : 1981 Specification for Hard Metal (Carbide) Wire, Bar and Tube Drawing Dies

1 Scope

Covers the dimensions and requirements for hard metal dies fordrawing ferrous and non-ferrous round and shaped wires, bars andtubes, having code letters of application (A to F, L, N, R and S).

1.1 The comparison of bearing and bore dimensions for varioustypes of drawing dies is given in Appendix A.

1.2 The dimensions of hard metal rough pellets intended to beused in dies having code letters of application A to F shall beaccording to IS 9888 : 1981 `Dimensions for sintered pellets ofhard metal (carbide) for wire, bar and tube drawing dies.