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 premium quality HDD 6 1-8 horizontal directiona well drilling PDC bits chuanshi soft formation drilling mill tooth roller rock bits for water holes High air pressure DHD380 without foot valve premium quality DTH hammers 6 inch underground deep water boring well rotary rock drill tricone bit drilling machinery parts oil energy well drill DTH hammer SD6 152mm premium quality 4 wings 133mm concave face PDC bits for deep water drilling 200mm IADC517 Tungsten Carbide Insert Tooth Drill Tricone Roller Bits Water Well Drilling Equipment 12 1-4 IADC437 Wide Big Tooth Rotary Rock Drilling Tricone Drill Bits for Water Drilling