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 26 inch big size borehole well drilling fixed cutters diamond PDC bits for hard rock drilling 311mm rotary rock drilling TCI tricone bit IADC537 for underground vertical water well drilling 66mm AW BW thread well grouting drilling flat face PDC diamond drill bits 9 1-2 IADC517 FL API hard rock rotary drilling tricone reamer bits petrol sondaj matkap 12 1-4 IADC537 Medium Hard Rock geothermal Water Well Drilling Hole Blasting Tricone Bits 3 7-8 IADC 637 inch borehole opening geotechnical exploration well water drilling tricone bits factory supply QL40 4 inch DTH hammer mining water well drilling equipments 349mm IADC437 Colse Bearing Water Well Drilling Roller Cone Bits Tricone Drill Bits