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 blades 114mm drilling fluids professional deep oil well drill diamond drilling bit PDC bit 4 1-2 114mm 3 blades step drag bit for water drilling water oilfields gas well drilling DTH hammer with button bits SD10 size 10 inch 311mm kingdream soft formation milled tooth bits IADC127 for rotary oil water well drilling 152mm IADC537 hard rock drilling TCI roller cone bit API oil quality 12 1-4 in TCI tricone button bits for groundwater boring 12 1-4 CS brand carbide button insert tooth TCI tricone bit hole drilling good quality COP84 DHD380 shank water drilling and mining DTH hammers