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 chuanshi soft formation drilling mill tooth roller rock bits for water holes water oilfields gas well drilling DTH hammer with button bits SD10 size 10 inch factory supply QL40 4 inch DTH hammer mining water well drilling equipments 12 inch without foot valve NUMA125 air pressure DTH hammer tool for hard rock formation drilling 6 inch oil well drilling 3 blades drag bit drilling rig tool 4 1-2 inch 114mm 5 wing HDD oilfields petroleum gas deep well rotary drilling diamond PDC bits borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit 450 to 600mm big hole drilling machine parts down the hole DTH hammers NUMA 180