China D Miningwell Tungsten Carbide Drilling Equipment Drill Bit Quarrying Rock Tools 8 Button 42mm, Find details about China Taper Drill Bits, Taper Button Bits from D Miningwell Tungsten Carbide Drilling Equipment Drill Bit Quarrying Rock Tools 8 Button 42mm
DIAMETER | BUTTONS | FLUSHING | CARBIDE | FACE | ||
MM | IN | GAUGE NO/ SIZE | FRONT NO/ SIZE | HOLE | PROFILE | PROFILE |
32 | 1 1/4'' | 5x7 | 2x7 | IF 1G | Parabolic | Flat |
38 | 1 1/2'' | 5x9 | 2x7 | 1F2G | Conical | Flat |
36 | 1 13/32'' | 5x8 | 2x7 | 2F 1G | Conical | Flat |
38 | 1 1/2'' | 5x9 | 2x7 | 2F 1G | Conical | Flat |
38 | 1 1/2'' | 5x9 | 2x7 | 2F 1G | Conical | Flat |
40 | 1 9/16'' | 5x9 | 2x8 | 2F 1G | Conical | Flat |
41 | 1 5/8'' | 5x9 | 2x8 | 2F 1G | Conical | Flat |
41 | 1 5/8'' | 5x9 | 2x8 | 2F 1G | Parabolic | Flat |
OUR ADVANTAGE:
1) High quality
2) High resistance
3) High footage speed
4) Very low breakage
5) Very low percentage of carbide falling off
6)Wide application range