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 6 1-2 inch 165mm carbide button tooth tricone bits for water and geotech drilling 9 inch IADC632 open bearing hard rock mining tricone rock drill bits tungsten carbide insert button bits CS 9 7-8 IADC537 tungsten carbide button TCI tricone drill bits for vertical water well drilling API ISO149mm 114mm 98mm 3 wings OIL WELL DRILLING diamond PDC drill rock bits 5 inch QL50 DTH hammer for water borehole drilling and coal mining 7 1-2 inch 190mm high quality mill tooth kingdream bits steel tooth tricone bits 146mm 5 3-4 inch carbide button teeth roller cone bits for hard rock drilling China TZ brand Lilin oil well drilling water well boring carbide tooth tricone bits