Home » Taper bits » D miningwell Small Hole Tapered Bit 32mm 34mm 36mm 38mm 40mm 42mm taper button drill bits 3″ rock drill bit
D miningwell Small Hole Tapered Bit 32mm 34mm 36mm 38mm 40mm 42mm taper button drill bits 3″ rock drill bit
The Tapered Button Bit produced by D miningwell is designed according to ISO standard, adopts symmetrical structure design, has good powder discharge effect, and has strong crushing ability and fast rock drilling speed.
We manufacture various tapered button bits in different degrees as below:
Bit diameter: 26mm to 60mm;
Tapered degree: 4°, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Carbide type: Chisel type, Cross type, Button type.
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Technical Parameters | ||||||
DIAMETER | BUTTONS | FLUSHING | CARBIDE | FACE | ||
MM | IN | GAUGE NO/ SIZE | FRONT NO/ SIZE | HOLE | PROFILE | PROFILE |
32 | 1 1/4″ | 5×7 | 2×7 | IF1G | Parabolic | Flat |
36 | 1 13/32″ | 5×8 | 2×7 | 2F1G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 1F2G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 2F 1G | Conical | Flat |
38 | 1 1/2″ | 5×9 | 2×7 | 2F1G | Conical | Flat |
40 | 1 9/16″ | 5×9 | 2×8 | 2F 1G | Conical | Flat |
41 | 1 5/8″ | 5×9 | 2×8 | 2F1G | Conical | Flat |
41 | 1 5/8″ | 5×9 | 2×8 | 2F 1G | Parabolic | Flat |
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