DTH drill rods (also called as drill tubes or drill pipes) are the mechanism to transmit impact force and rotation torque to DTH hammer and DTH bit, as well as offer pass for the air flow. Guizhou...
Commodity: DTH Extension Rods Model: Φ42,Φ50,Φ60,Φ76,Φ89,Φ102,Φ114 Lengthes: 1000mm - 8000mm Usage: Extension rods apply to connecting the DTH hammers and the DTH drilling...