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 12 1-4 IADC537 Medium Hard Rock geothermal Water Well Drilling Hole Blasting Tricone Bits 444.5mm 17 1-2 inch diamond drilling PDC rock bits for underground deep water well and oil drilling 165 mm boring machine tungsten carbide insert tooth tricone bit for geological drilling 95mm sintered matrix body non core PDC drilling bits PQ natural diamond impregnated core bits surface set drill bits for environmental exploration 10 5-8 rotary drill PDC rock bit for oilfields drilling HQ diamond impregnated core bit for mineral exploration drilling geological HQ NQ BQ PQ turbo type diamond impregnated core bit