coal mining drill bits online manufacture

Product name: High Hardness 11 Degree 28mm Tapered Cross Button Bits For Coal Mineral Equipment Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 28mm KINGDRILLING DTH taper ... Read More

Product name: 118mm MK3E108 Overburden Eccentric Casing Drilling System Bit For Mining&Construction Casing pipe OD: 108mm When simultaneously drilling and casing through loose overburden materials, our casing ... Read More

Product name: 195mm MK3E178 Eccentric Overburden Casing Drilling System Bit For Exploration Drilling Casing pipe OD: 178mm MK3E Casing Drilling Bit has a positive pilot design which helps guide the eccentric ... Read More

Product name: 196mm MK3E183 Overburden Eccentric Casing Drilling System Bit For Tunneling Casing pipe OD: 183mm MK3E Casing Drilling Bit has a positive pilot design which helps guide the eccentric bit and ... Read More

Product name: 206mm MK3E193 Overburden Eccentric Casing Drilling System Bit For Civil Engineering Project Casing pipe OD: 193mm MK3E Casing Drilling Bit has a positive pilot design which helps guide the ... Read More

Product name: 185mm MK3E168 Eccentric Overburden Casing Drilling System Bit For Hard Rock Drilling Casing pipe OD: 168mm MK3E Casing Drilling Bit has a positive pilot design which helps guide the eccentric bit ... Read More

Product name: High Toughness 11 Degree 32mm Tapered Cross Button Bits In Road Construction Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 32mm KINGDRILLING DTH taper drill ... Read More

Product Name: MNS Five-Piece Concentric Overburden Casing Drilling System for CIR110 Hammer & 114mm Pipe Product category: Overburden eccentric casing bit Matched hammer: Hammer CIR110 Matched casing pipe OD: ... Read More

Product name: Durable 36mm Tapered Button Bits With 11 Degree Taper For Hard Rock Drilling In Quarry Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 34mm KINGDRILLING DTH ... Read More

Product name: High Quality Carbide 11 Degree 34mm Tapered Cross Button Bits In Marble Quarry Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 34mm KINGDRILLING DTH taper drill ... Read More