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 high performance natural diamond HQ reaming shell,IMP reamer shells 171mm monitoring well drilling rock roller bits for hard rock drilling 152.4mm IADC537 geological exploration water borehole drilling insert tooth tricone bit diamond button bit 9 1-2 IADC517 FL API hard rock rotary drilling tricone reamer bits petrol sondaj matkap HQ NQ BQ PQ impregnated core drill bits exploration core drilling bit kingdream API standard 215mm HAT127 steel tooth tricone roller bits for soft formation oilfields drilling high quality oil ang gas well drilling diamond bits kingdream PDC bits 133mm iadc637 round tooth ultra hard rock drilling roller bits