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 high impact resistance 59mm matrix sintered body flat face PDC center drill bits hard rock coring HQ NQ diamond impregnated core drill bits 10 5-8 rotary drill PDC rock bit for oilfields drilling 7 1-2 inch 190mm high quality mill tooth kingdream bits steel tooth tricone bits 245mm 241mm 5 blades 9 1-2 inch geothermal industrial well drilling PDC bits onshore drilling diamond bits 17 1-2 IADC117 wide big teeth milled tooth tricone water and petroleum well drilling bits high performance natural diamond HQ reaming shell,IMP reamer shells 13 5-8 gas petroleum water wellbore drilling PDC drill rock bit