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 DTH hammer 2 inch shank BR2 standard DTH bit for drilling air pressure 4 inch DHD340 drilling DTH hammer bits mining machinery parts for drilling rig 13 1-8 333mm steel body diamond PDC gas well drilling bits for drilling rigs 149mm tungsten carbide tooth insert roller rock bits NQ 76mm hole coring impregnated drill bits for hard rock drilling Premium Quality IMP diamond impregnated core bits casing shoes 311mm kingdream HA437 big teeth wide teeth tricone button bits for soft formation drilling 12 1-4 inch water boring well drilling kingdream metal sealed bearing TCI tricone bit