air pressure 4 inch DHD340 drilling DTH hammer bits mining machinery parts for drilling rig Size :4 inch Model:SHD4 Brand: Siruite Shank :DHD340 Foot valve: With Certificate: API 7-1 Pin Connection: 2 3/8" API reg Air Pressure: High Pressure N/W,G/W : 48kg/ 54kg Dimenstion:1200*110*110mm Application : ore /coal mining,deep water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: mining machinery partsdrilling rig partshammer bits Share: PREVIOUS:High Speed 31-2inch IR35 DHD3 1-2 vaveless DTH hammer DTH bits for mining deep well drilling NEXT:high air pressure DHD360 6inch DTH hammer for deep water well drilling and mining Related Products 146mm 5 3-4 inch carbide button teeth roller cone bits for hard rock drilling DTH hammer 2 inch shank BR2 standard DTH bit for drilling 6 inch oil well drilling 3 blades drag bit drilling rig tool Good Performance PDC impregnated IMP diamond core bits for exploration well API 311mm IADC437 long teeth very soft formation drilling TZ tricone rock bit premium quality 4 wings 133mm concave face PDC bits for deep water drilling 14 3-4 IADC537 water drill tri-cone bit borehole drilling tools 444.5mm 17 1-2 inch diamond drilling PDC rock bits for underground deep water well and oil drilling