water drilling coal mining BR1 BR2 BR3 air pressure DTH hammers drill pipes Size :3 inch Model:SBR3A Brand: Siruite Shank :SR3 Foot valve: Without Certificate: API 7-1 Pin Connection: 2 3/8" API reg Air Pressure: Low-Middle Pressure N/W,G/W : 25kg/ 29kg Dimenstion:950*80*80mm Application : ore /coal mining,water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: BR3 hammerdrill hammercoal mining hammer Share: PREVIOUS:DTH hammer 2 inch shank BR2 standard DTH bit for drilling NEXT:ultra high quality DOWN THE HOLE hammer tools with shank COP66 Related Products HQ 8 diamonds matrix PDC core bit for golden mine drilling 7 1-2 inch 190mm high quality mill tooth kingdream bits steel tooth tricone bits HQ diamond impregnated core bit for mineral exploration drilling 10 5-8 rotary drill PDC rock bit for oilfields drilling API gas well drilling PDC bit 165mm with 6 blades for rock drilling equipment high impact resistance 59mm matrix sintered body flat face PDC center drill bits 16 inch water and oil well fast drilling PDC bit of drilling rig API certificate 12 1-2 well drilling equipment TCI rotary rock drill roller cone bits