DMININGWELL 32mm 34mm 36mm 38mm 41mm high quality 7 11 12 degree broca Taper Drill bit
D Miningwell was founded in Quzhou city, China in 2001. For more than 21 years production and operation process. D Miningwell has been on the leading edge of mining equipment. We has its own drilling rig, DTH hammer, and drill pipe production workshops. provides a wide range of quality tools to mining, tunnelling, quarrying, water-well projects and urban transportation construction. D Miningwell is committed to providing customers with the most efficient and cost-effective drilling solution. Our team of drilling specialists are standing by to assist.
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 |