195 to 254mm hole drilling DTH hammer down the hole tools for drilling rigs Size :8 inch Model:SSD8 Brand: Siruite Shank :SD8 Foot valve: With Certificate: API 7-1 Pin Connection: 4 1/2" API reg Hole Range:195-254mm N/W,G/W :192kg/ 205kg Dimenstion:1478*195*195mm Application : mineral mining,deep water drilling,energy well drilling Send Inquiry Live Chat(WA) Product Detail Tags: drilling tooldrilling rig partsdown the hole tool Share: PREVIOUS:drilling machinery parts oil energy well drill DTH hammer SD6 152mm NEXT:water oilfields gas well drilling DTH hammer with button bits SD10 size 10 inch Related Products 75mm well borehole drilling diamond bit flat face PDC non-coring bit 66mm AW BW thread well grouting drilling flat face PDC diamond drill bits 149mm tungsten carbide tooth insert roller rock bits 7 7-8 IADC547 metal sealed tungsten carbide insert tooth TCI tricone roller HDD drilling bits 17 1-2 IADC117 wide big teeth milled tooth tricone water and petroleum well drilling bits API 8 3-4 tungsten carbide insert tooth tricone button bits water drilling coal mining BR1 BR2 BR3 air pressure DTH hammers drill pipes 3 7-8 IADC 637 inch borehole opening geotechnical exploration well water drilling tricone bits