coal drill bit online manufacture

Product name: 5inch High Air Pressure DTH Hammer With DHD350 Shank For Coal Mining Product category: Down The Hole Hammer Matched hammer: Hammer DHD350 Connection thread: API 2 3/8 REG Working pressure(bar): 10... Read More

Product name: 6 Inch NM6 Down The Hole High Air Pressure DTH Drill Hammer For Coal Mineral Equipment Matched hammer: NM6 Shank Product category: Down The Hole Hammer Introducing our professional-grade DTH ... Read More

Product name: 530mm MRING Overburden Casing Drilling System Hole Opener Bits For Stone Drilling Product category: Overburden casing drilling tools Kingdrilling diamond CO., LTD is one of the most professional ... Read More

Product Name: 108mm MNS Sliding five-piece concentric overburden casing drilling system for hammer CIR110 shank Product category: Overburden eccentric casing bit Matched hammer: Hammer CIR110 Matched casing ... Read More

Product Name: 127mm MNS Sliding five-piece concentric overburden casing drilling system for hammerDHD340 shank Product category: Overburden eccentric casing bit Matched hammer: Hammer DHD340 Matched casing pipe ... Read More

OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube Description MRE Dual Rotors Eccentric Overburden casing drilling system, At clockwise rotation, reamer bits expand to bring ... Read More

Product name: 4inch DTH Down The Hole High Air Pressure Hammer With DHD340 Shank For Drilling Rig Product category: DTH Down The Hole Hammer Matched hammer: Hammer COP44 Connection thread: API 2 3/8 REG Working ... Read More

Product name: 4inch high air pressure DTH rock hammer with DHD340 shank for mining Product category: Drilling rig accessories Matched hammer: Hammer COP44 Connection thread: API 2 3/8 REG Working pressure(bar): ... Read More

Product name: 4inch high air pressure DTH rock hammer with DHD340 shank for mining Product category: Drilling rig accessories Matched hammer: Hammer COP44 Connection thread: API 2 3/8 REG Working pressure(bar): ... Read More

Product name: CIR90 Low Air Pressure DTH Drill Hammer For Underground Coal Mine Equipments Product category: Down The Hole Hammer Connection thread: F48*10PIN Working pressure(bar): 4-12 Hole range(mm): 282-424 ... Read More