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 311mm 6 and 5 wings matrix body fixed cutters PDC diamond drill bits for well drilling 6 blades 114mm drilling fluids professional deep oil well drill diamond drilling bit PDC bit 8 1-2 4 wings vertical well drilling diamond PDC bits for soft formation High air pressure DHD380 without foot valve premium quality DTH hammers 127mm SD5 five inch mining equipment DTH hammer borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit CS 9 7-8 IADC537 tungsten carbide button TCI tricone drill bits for vertical water well drilling API certificate 12 1-2 well drilling equipment TCI rotary rock drill roller cone bits