taper drill bits such as 32mm 4buttons 7buttons 7degree 11degree.
and we can product according to customers requirments.
thread button bits such as 45mmR32 ,64mm T38,76mm T38,even we have 142 T51.
dth hammer such as low air pressure and high air pressure dth hammer drill bits.
76mmCIR76 90 CIR 90 and 100 CIR90.
115 DHD340 140mm DHD350