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Coal Mining Drill Bit

  • Coal Mining Drill Bit for Twist Drill Rod

    Coal Mining Drill Bit for Twist Drill Rod

    Two Wings Tungsten Carbide Coal Bit Coal bits are mainly used in coal and mine drilling, have dry-type & wet-type. 1. Mainly used in coal and mine drilling 2.Dry and Wet Type available 3.Dimension:25, 27, 28, 29, 30, 32, 36, 42 mm. 4.Normal Thread Model:M16*2;M14*1.5,...Read More
  • Spiral Coal Mining Drill Rods 42mm Twins Wing Coal Drilling Bit

    Spiral Coal Mining Drill Rods 42mm Twins Wing Coal Drilling Bit

    wo Wings Tungsten Carbide Coal Bit Coal bits are mainly used in coal and mine drilling, have dry-type & wet-type. 1. Mainly used in coal and mine drilling 2.Dry and Wet Type available 3.Dimension:25, 27, 28, 29, 30, 32, 36, 42 mm. 4.Normal Thread Model:M16*2;M14*1.5,...Read More
Get high-quality coal mining drill bit with CE certification from professional coal mining drill bit manufacturers and suppliers in China here. Our factory also offers the best customized service.