12 inch DTH hammer DTH button drill bits down the hole SD shank Size :12 inch Model:SSD12 Brand: Siruite Shank :SD12 Foot valve: With Certificate: API 7-1 Pin Connection: 6 5/8" API reg Hole Range:305-445mm N/W,G/W :526kg/ 540kg Dimenstion:1700*295*295mm Application : mineral mining,deep water drilling,energy well drilling Send Inquiry Live Chat(WA) Product Detail Tags: DTH hammerbutton drill bitsSD12 DTH hammer Share: PREVIOUS:water oilfields gas well drilling DTH hammer with button bits SD10 size 10 inch NEXT:5 3-4 inch 146mm Tungsten Carbide Insert Button Tricone Drill Bits Related Products borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit 8 1-2 water borehole drilling 3 wings diamond PDC drag bits for soft formation drilling 444.5mm IADC517 oil drilling rubber sealed kingdream rock tricone bits 5 3-4 inch 146mm Tungsten Carbide Insert Button Tricone Drill Bits high performance natural diamond HQ reaming shell,IMP reamer shells mining machinery tools withou foot valve 6 inch premium DHD shank DTH hammer 8 1-2 5 wings deep oil drilling diamond fixed cutters PDC bits 4 3-4in drag drilling bits for mud soil soft rock drilling