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 8 1-2 water borehole drilling 3 wings diamond PDC drag bits for soft formation drilling 6 3-4 inch 171mm borehole well water drilling button rock roller bits drilling machine 4 1-2 114mm 3 blades step drag bit for water drilling 6 inch Horizontal Directional Drilling tools TCI tricone bits for water borehole drilling rig equipment 17 1-2 IADC117 wide big teeth milled tooth tricone water and petroleum well drilling bits 445mm IADC137 high quality mill tooth tricone bits for medium formation oilfields drilling machine kingdream API standard 215mm HAT127 steel tooth tricone roller bits for soft formation oilfields drilling factory supply QL40 4 inch DTH hammer mining water well drilling equipments