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R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling
R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling
Shop the R28 76mm carbide reaming dome threaded button bit for efficient rock drilling. As a factory, we guarantee high-quality products. Order now!
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Condition: New Processing Type Forging Applicable Industries: Energy & Mining, Underground Drilling And Surface Drilling Use Ore Mining, quarry,mining,blasting,construction,open bit etc. Video outgoing-inspection Provided Quality 100% quality similarity world top class brands Machinery Test Report Provided Advantages high quality and factory prices Marketing Type Ordinary Product Boby type Normal type or retrac type Brand Name JCDRILL Thread R25, R28, R32, R3212 R35, R38, T38, T45, T51, ST58, GT60, GT68 Type Thread Button Bit Tungsten carbide Spherical, ballistic,Conical,Hemispherical Machine Type Drilling Tool Fact type Drop Center, Flat Face, Convex, Concave, etc Material Carbon steel
R28 Drill Bit Bit Dia. NO x Button x Dia. Flushing Hole Weight mm inch Front Gauge Angle Front Side (KG) Spherical Buttons 37 1 29/64 2x7 5x9 30° 1 1 0.5 38 1 1/2 2x8 4x9 30° 1 2 0.6 38 1 1/2 2x7 5x9 30° 1 1 0.6 41 1 5/8 2x8 5x9 35° 1 1 0.7 43 1 2/3 2x9 5x9 30° 1 2 0.8 45 1 3/4 2x9 5x10 30° 1 2 0.9 45 1 3/4 3x8 6x9 30° 1 3 0.9 Parabolic Buttons 37 1 4/9 2x7 5x9 30° 1 1 0.5 38 1 1/2 2x8 4x9 30° 1 2 0.6 38 1 1/2 2x7 5x9 30° 1 1 0.6 41 1 5/8 2x8 5x9 35° 1 1 0.7 43 1 2/3 2x9 5x9 35° 1 2 0.8 45 1 3/4 2x9 5x10 30° 1 2 0.9 45 1 3/4 3x8 6x9 35° 1 3 0.9 48 1 7/8 2x9 5x11 30° 1 2 1.0 48 1 7/8 3x8 6x9 35° 1 3 1.0 38 1 1/2 14x8 1 2 0.6 41 1 5/8 14x8 1 4 0.7 43 1 2/3 14x8 1 4 0.7 45 1 3/4 14x8 1 4 0.9 51 2 14x8 1 4 1.1 Drill Roll Bit Dia. Dimaeter Weight mm inch mm inch (KG) 2400 7'10" 28 1 1/8 12.2 2750 9' 28 1 1/8 14.4 3700 12'11/2" 28 1 1/8 18.9 4000 13'1/8" 28 1 1/8 20.4 4310 14'11/2" 28 1 1/8 22.0 4920 16'11/2" 28 1 1/8 25.3 2900 9'61/8" 32 1 1/4 18.8 3090 10'11/2" 32 1 1/4 20.0 3700 12'11/2" 32 1 1/4 24.0 4310 14'11/2" 32 1 1/4 27.9 3090 10'11/2" 32 1 1/4 20.0 3700 12'11/2" 32 1 1/4 23.5 3090 10'11/2" 32 1 1/4 20.0 3700 12'11/2" 32 1 1/4 24.0 4000 13'13/8" 32 1 1/4 25.9 4310 14'11/2" 32 1 1/4 27.9 3050 10' 28 1 1/8 15.0 3050 10' 28 1 1/8 15.0 Coupling Bit Dia. Dimaeter Weight mm inch mm inch (KG) 150 5 7/8 44 1 3/4 1.0 150 5 7/8 40 1 37/64 0.9 170 6 3/4 55 2 5/32 2.0 160 6 5/16 45 1 3/4 1.2 160 6 5/16 56 1 13/64 2.5
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Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter. • Widely used in drifting and tunneling • R28 thread system Color: Yellow,black or Based on Customer requirements Material: Tungsten carbide and high strength alloy steel Processing: CNC milling and proprietary heat treatment process Type: R28 Reaming Bit 6 Applications • Underground mining • Tunneling Competitive Advantage • High grade tungsten carbide inserts • Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
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