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 190mm close bearing metal teeth tricone rock bits for soil rock drilling 7 7-8 milled tooth tricone bits for soft formation drilliing CS brand new 215mm IADC517 deep well irrigation water TCI tricone drilling bits three cone bits 7 1-2 inch 190mm high quality mill tooth kingdream bits steel tooth tricone bits high impact resistance 59mm matrix sintered body flat face PDC center drill bits 311mm 12 1-4 high quality mining machine parts tricone rock bits for drilling rigs 4 1-2 114mm 3 blades step drag bit for water drilling API 8 3-4 tungsten carbide insert tooth tricone button bits