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 HQ diamond impregnated core bit for mineral exploration drilling NQ 76mm hole coring impregnated drill bits for hard rock drilling API 165mm Horizontal directional HDD and oil drilling fixed PDC diamond bit borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit well borehole drilling 5 blades 311mm PDC bits for soft formation high quality high pressure 8 inch QL80 DTH hammer of mining machines hard rock water well drilling DHD350 DTH hammer drill bit 152mm button tools 311mm 6 and 5 wings matrix body fixed cutters PDC diamond drill bits for well drilling