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 10 5-8 inch oil and water borehole rotary drilling PDC bits for hard rock drilling 8 1-2 5 wings deep oil drilling diamond fixed cutters PDC bits 165mm drilling fluids tricone reamers rotary cone drill bit soft formation drilling steel tooth milled teeth MT tricone rock roller cone bits 216mm 8 1-2 inch JZ kingdream HJ517G oil well tricone bits 3 7-8 IADC 637 inch borehole opening geotechnical exploration well water drilling tricone bits API 171mm 6 3-4in IADC532 open bearing rotary drilling hole blasting coal mining TCI tricone bits 311mm chuanshi CS brand new rotary drill TCI tricone bits for sandstone and limestone drilling