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 171mm monitoring well drilling rock roller bits for hard rock drilling 6 inch conical insert teeth hard rock drilling roller cone bit high quality oil ang gas well drilling diamond bits kingdream PDC bits 311mm 12 1-4 high quality mining machine parts tricone rock bits for drilling rigs Metal sealed bearing high speed motor drilling kingdream tricone hard rock bits for oilfield drilling 7 1-2 190mm water well drilling hard alloy protection step drag bit 152.4mm high speed drilling rock tricone button bits for underground water 12 1-4 311mm 5 wings deep water gas geothermal well drilling fixed diamond PDC bits