Tapered Button Bit is mainly used with a pneumatic rock drill and a taper rod. It is connected with the drill rod through the taper to carry out drilling operations. It is mainly used in the secondary crushing of mines, the support of bolts, the excavation of roadways and other fields.
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.
| 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 |
