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 9 inch IADC632 open bearing hard rock mining tricone rock drill bits tungsten carbide insert button bits 12 1-4 311mm 5 wings deep water gas geothermal well drilling fixed diamond PDC bits borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit 4 inch hard alloy carbide inserts protection drag bits with 3 wings China TZ brand Lilin oil well drilling water well boring carbide tooth tricone bits 10 5-8 rotary drill PDC rock bit for oilfields drilling PQ natural diamond impregnated core bits surface set drill bits for environmental exploration API 374mm 14 3-4 inch IADC537 517 CS vertical water well drilling HDD pilot tricone bit for soft to medium formation