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..., as we are Chinese leading manufacture of rock drilling bits,we have rich experience in reseraching and producing .Our products are sold to many countries of the world and gained lots of trust and praise.Wh...
..., as we are Chinese leading manufacture of rock drilling bits,we have rich experience in reseraching and producing .Our products are sold to many countries of the world and gained lots of trust and praise.Wh...
...blast, as well as roof bolting applications, as we are Chinese leading manufacture of rock drilling bits,we have rich experience in reseraching and producing .Our products are sold to many countries of the w...
Mining Rock Drilling Tools T38 Retrac Thread Button Drill Bit Carbon Steel Jincheng Retract Thread Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium-hard to...
Water / Oil Well Rock Drilling Tools Retract Thread Buttons Exploration Drilling Bits Jincheng Retract Thread Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on med...
T51 Coupling Threaded Drill Rod Thread Rock Drilling Tools 225mm Length Jincheng Thread Rock Drill Rods Jincheng Extension drill rods are made from the same steels as , produced by CNC maching and advanced heat...
...Drilling Tools CIR90 SPM90 DTH Hammer Bit Hot Sell CIR Bits Description DTH (Down to Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open q...
...l drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill ro...
Hebei PDC Cutter Drag Drill Bit for Drilling Tools *, *::before, *::after {box-sizing: border-box; } * {margin: 0; } html, body {height: 100%; } body {line-height: 1.5; -webkit-font-smoothing: ......
Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 15 to 42 9.35 to 18.20 3 298 3 15 to 33 7.35 to 13.35 4 305 3...
Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 15 to 42 9.35 to 18.20 3 298 3 15 to 33 7.35 to 13.35 4 305 3...
Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 15 to 42 9.35 to 18.20 3 298 3 15 to 33 7.35 to 13.35 4 305 3...
Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 15 to 42 9.35 to 18.20 3 298 3 15 to 33 7.35 to 13.35 4 305 3...
Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 15 to 42 9.35 to 18.20 3 298 3 15 to 33 7.35 to 13.35 4 305 3...
Trenchless Soil Hole Opener 900mm Soil Drill Hole Opener For Hdd Progect For Trenchless Drilling Introduction The hole opener is made of tough heat-treated alloy steel for maximum strength. The knife arm is equ...
1. Rotary drilling rig: In the construction of large-diameter cast-in-place piles in high-rise buildings, ports, dams, and bridge foundation projects, the use of rotary drilling rigs for bored pile construction...
High-efficiency tri-cone bits for mining machinery parts and drilling equipment for drilling Describe 1. Sealing and lubrication of this type of TCI tri-cone bit: high-quality O-ring, the best sealing compressi...
Tungsten Carbide DHD380 DTH Hole Opener Reaming Drill Bit Tungsten Carbide DHD380 DTH Hole Opener Reaming Drill Bit DTH Advantages 1. HD series DTH hammers have excellent performance and long service life. They...
Engineering anchor drilling rigs can be used for drilling rock anchor cable holes, bolt holes, blast holes, grouting holes, etc. in urban construction, railways, highways, rivers, hydropower and other projects....