IS 8486 : 1977 Code of practice for maintenance of tungsten carbide tipped integral stems
UDC 622.233.052/.053.004.5 : 621.951.025.7 [669.018.25] | PGD 8 |
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Reaffirmed 2021 |
1 Scope
Lays down the procedure for the proper maintenance of tungstencarbide tipped integral stems conforming to IS 7913 : 1975`Specification for integral stems for percussive drilling` forobtaining the maximum efficiency from them.