Covers the dimensions and requirements for hard metal dies for drawing ferrous and non-ferrous round and shaped wires, bars and tubes, having code letters of application (A to F, L, N, Rand S ).
1.1 The comparison of bearing and bore dimensions for various types of drawing dies is given in Appendix A.
1.2 The dimensions of hard metal rough pellets intended to be used in dies having code letters of application A to F shall be according to IS:9888-1981 'Dimensions for sintered pellets of hard metal (carbide) for wire, bar and tube drawing dies.'
IS 4918-1981 history
1982IS 4918-1981 Specification for drawing dies for carbide (carbide) wire, rod and tube