5 inch QL50 DTH hammer for water borehole drilling and coal mining Size :5 inch Model:SQL5 Brand: Siruite Shank :QL50 Foot valve: With Certificate: API 7-1 Pin Connection: 2 3/8" or 3 1/2" API reg Type:valveless air distributor Hole Range:135-152mm N/W,G/W : 73kg/ 78kg Dimenstion:1180*135*135mm Application : ore /coal mining,deep water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: borehole drilling bitDTH hammer bit Share: PREVIOUS:High air pressure DHD380 without foot valve premium quality DTH hammers NEXT:high quality high pressure 8 inch QL80 DTH hammer of mining machines Related Products mining machinery tools withou foot valve 6 inch premium DHD shank DTH hammer rock mining DTH hammer QL60 Shank high quality drilling parts 5 7-8 inch 149mm HDD project drilling petroleum well drilling fixed cutters PDC drill bits API 7-1 standard 215mm tricone button insert tooth roller bit for water borehole drilling 8 1-2 5 wings deep oil drilling diamond fixed cutters PDC bits 6 blades 114mm drilling fluids professional deep oil well drill diamond drilling bit PDC bit 450 to 600mm big hole drilling machine parts down the hole DTH hammers NUMA 180 premium quality 4 wings 133mm concave face PDC bits for deep water drilling