Tapered Rock Button Bit: Premium Drilling Tool for Mining & Rock Drilling Operations
This article introduces D miningwell’s high-performance tapered rock button bits, the core drilling accessories matching pneumatic rock drills, taper rods and other mining machinery. It details the product’s full range of specifications, technical parameters, applicable scenarios and core advantages, and provides professional parameter reference for global mining machinery purchasers engaged in mine exploitation, roadway excavation and bolt support. Our tapered rock button bits cover a diameter range of 26mm-60mm with multiple taper degrees and shank sizes, and are perfectly adapted to various working conditions such as mine secondary crushing, rock drilling of water well drill rigs and core drill rigs, which can significantly improve the efficiency of rock drilling operations.
| 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 |
Perfect Matching with Mining Drilling Equipment
Full Range of Customizable Specifications
- Bit Diameter: The whole series covers 26mm to 60mm, and the commonly used specifications of 32mm, 36mm, 38mm, 40mm, 41mm are fully stocked, which can meet the drilling needs of different rock layer hardness and hole diameter requirements.
- Tapered Degree: Multiple precision taper degrees of 4°, 6°, 7°, 11°, 12° are available, which are perfectly matched with various taper rods and realize precise connection with different types of pneumatic rock drills.
- Shank Sizes: Hex. 19mm, Hex. 22mm and Hex. 25mm three mainstream shank sizes, adapt to the installation and use of different mining drilling equipment.
- Carbide Type: Chisel type, Cross type and Button type are optional, and different carbide types are selected according to the characteristics of rock layers such as hardness and abrasiveness to maximize the service life of the drill bit.
Detailed Technical Parameters of Core Specifications
- 32mm (1 1/4″): 5×7 gauge buttons, 2×7 front buttons, IF1G flushing hole, Parabolic carbide profile and Flat face profile, suitable for small-diameter precision drilling operations.
- 36mm (1 13/32″): 5×8 gauge buttons, 2×7 front buttons, 2F1G flushing hole, Conical carbide profile and Flat face profile, adapted to medium-hard rock layer drilling.
- 38mm (1 1/2″): 5×9 gauge buttons, 2×7 front buttons, 1F2G/2F1G flushing hole, Conical carbide profile and Flat face profile, the most commonly used specification for mine roadway excavation and bolt support.
- 40mm (1 9/16″): 5×9 gauge buttons, 2×8 front buttons, 2F1G flushing hole, Conical carbide profile and Flat face profile, suitable for high-strength rock layer drilling.
- 41mm (1 5/8″): 5×9 gauge buttons, 2×8 front buttons, 2F1G flushing hole, Conical/Parabolic carbide profile and Flat face profile, dual profile design to meet different drilling precision requirements.
Wide Application Scenarios
- Mine Operations: It is the core tool for mine secondary crushing, ore body drilling and blast hole construction, and is suitable for metal mines, non-metal mines and coal mine exploitation.
- Bolt Support: It is used for the drilling operation of rock bolt support in mine roadways and tunnels, and the precise hole forming ensures the stability of the support structure.
- Roadway Excavation: Adapt to the rock drilling operation of various mine roadways and engineering tunnels, and improve the excavation efficiency of hard rock roadways.
- Water Well & Core Drilling: It is matched with water well drill rigs and core drill rigs for rock layer drilling in water well construction and geological exploration, and realizes efficient and precise hole forming in hard rock layers.