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 445mm IADC137 high quality mill tooth tricone bits for medium formation oilfields drilling machine 349mm IADC437 Colse Bearing Water Well Drilling Roller Cone Bits Tricone Drill Bits 550 to 750mm high air pressure DTH hammer 24 inch big hole well quarry geothermal mining 7 1-2 inch 190mm high quality mill tooth kingdream bits steel tooth tricone bits High air pressure DHD380 without foot valve premium quality DTH hammers 12 1-4 rock drilling liquids water borehole drilling equipments enviromental drilling tools API 8 3-4 tungsten carbide insert tooth tricone button bits API Horizontal Directional Drilling and Deep Groundwater Well PDC Drill Bits with 5 ways