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 API 171mm 6 3-4in IADC532 open bearing rotary drilling hole blasting coal mining TCI tricone bits 4 1-2 114mm rock drill button bit/ hard rock drilling tools China TZ brand Lilin oil well drilling water well boring carbide tooth tricone bits 215 mm IADC117 steel tooth rock MT tricone bit for water hole drilling 6 1-2 inch 165mm carbide button tooth tricone bits for water and geotech drilling 8 inch Mission 80 size 203mm pneumatic DTH hammer and DTH drill bits 10 5-8 rotary drill PDC rock bit for oilfields drilling PQ natural diamond impregnated core bits surface set drill bits for environmental exploration