IS 11672 : 1986 Tungsten carbide buttons and inserts for use in Down-the-hole (DTH) bits
| UDC 622.24.051 [669.27.025.7 : 669.018.25] | MED 21 |
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| Reaffirmed 2022 |
1 Scope
Lays down the requirements for tungsten carbide buttons andinserts used in the manufacture of drilling bits for down-the-hole(DTH) drilling method.