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 hard rock water well drilling DHD350 DTH hammer drill bit 152mm button tools China TZ brand Lilin oil well drilling water well boring carbide tooth tricone bits 9 1-2 IADC517 FL API hard rock rotary drilling tricone reamer bits petrol sondaj matkap HQ NQ BQ PQ impregnated core drill bits exploration core drilling bit 13 1-8 333mm steel body diamond PDC gas well drilling bits for drilling rigs 8 1-2 water borehole drilling 3 wings diamond PDC drag bits for soft formation drilling 374mm IADC537 rubber Sealed Bearing Journal broca triconica Rock Roller Bits for Medium Hard Rock Drilling water well drill bits 4 wings chevron drag bits for gas well drilling