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 HQ 8 diamonds matrix PDC core bit for golden mine drilling hole drilling good quality COP84 DHD380 shank water drilling and mining DTH hammers 6 3-4 inch 171mm borehole well water drilling button rock roller bits drilling machine 16 inch 406mm Smith PDC bits kingdream diamond bits high quality drill bits for well drilling 152mm IADC537 hard rock drilling TCI roller cone bit 6 inch conical insert teeth hard rock drilling roller cone bit API oil quality 12 1-4 in TCI tricone button bits for groundwater boring mining machinery tools withou foot valve 6 inch premium DHD shank DTH hammer