Tapered Thread Rock Drill Rods B22 Length Customized For Gas Drainage Hole
Product Name:
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Rock drill B22 Tapered Drill Rods
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Types
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Tapered drill rods, Integral drill rods, Plug hole rods
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Application
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Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
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Material:
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High quality carbide and high quality steel
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Types of drill rods
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Specifications
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Length (mm)
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Shank
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Weight (kg)
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Tapered drill rods
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Taper Angle: 4, 6, 7, 11, 12 degree
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400mm to 8000mm
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Hex22mm*108mm
Hex25mm*159mm Hex19mm*108mm |
1.7 - 24.9
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Integral drill steel
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Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm
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400mm to 4800mm
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3 – 15.4
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Plug hole rods
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Chisel bit diameter: 17mm, 20mm, 22mm
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150mm to 710mm
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0.6 - 2.9
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Application:
Mainly used for gas drainage hole, also widely used for mining, geology exploration, hydroeceltric dam.