T38 Threaded Drill Button Bits for Bench and Tunnel Long Hole Drilling
Our high-performance T38 threaded drill button bits are engineered for bench and tunnel long hole drilling applications, offering exceptional durability and efficiency in rock drilling operations.
Product Features
- Manufactured from high-quality alloy steel bar and tungsten carbides
- Heat-treated for superior toughness and energy efficiency
- Custom designs available for various rock types (soft, medium, hard)
- Compatible with multiple rock drill rods: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60
- Ideal for hard rock drilling (f=8~18)
Technical Specifications
- Thread connections: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60
- Alloy steel: 42CrMo
- Carbide tips: YK05
- Manufacturing technology: Hot-pressing or welding
Before placing an order, please confirm: Thread Type, Standard/Retrac option, Button shape (Spherical/Ballistic), and Face shape (Drop Center, Flat Face, Convex, Concave, etc.)
Product Dimensions
R32 Thread Button Bits
| Name |
Diameter (mm) |
Tip size (mm) |
Flushing holes |
| R32 thread button bits |
41 |
4*9 front, 2*8 side |
1 front, 1 side |
| R32 thread button bits |
43 |
4*9 front, 2*9 side |
1 front, 1 side |
| R32 thread button bits |
45 |
4*10 front, 2*9 side |
1 front, 1 side |
| R32 Retrac thread button bits |
60 |
6*9 front, 4*8 side |
0 front, 3 side |
| R32 Retrac thread button bits |
64 |
6*9 front, 4*9 side |
0 front, 3 side |
| R32 Retrac thread button bits |
70 |
6*10 front, 4*10 side |
0 front, 3 side |
T38 Thread Button Bits
| Name |
Diameter (mm) |
Tip size (mm) |
Flushing holes |
| T38 thread button bits |
57 |
5*11 front, 3*10 side |
1 front, 1 side |
| T38 thread button bits |
64 |
5*12 front, 3*11 side |
1 front, 1 side |
| T38 thread button bits |
76 |
5*14 front, 3*12 side |
1 front, 2 side |
| T38 Retrac thread button bits |
60 |
8*9 front, 3*9 side |
2 front, 2 side |
| T38 Retrac thread button bits |
64 |
8*9 front, 4*9 side |
2 front, 2 side |
| T38 Retrac thread button bits |
70 |
8*10 front, 4*10 side |
2 front, 2 side |
| T38 Retrac thread button bits |
76 |
8*11 front, 4*10 side |
2 front, 2 side |
| T38 Retrac thread button bits |
89 |
8*12 front, 5*12 side |
2 front, 2 side |
T45 Thread Button Bits
| Name |
Diameter (mm) |
Tip size (mm) |
Flushing holes |
| T45 thread button bits |
70 |
6*11 front, 4*10 side |
0 front, 2 side |
| T45 thread button bits |
76 |
6*13 front, 4*10 side |
0 front, 2 side |
| T45 thread button bits |
89 |
8*12 front, 5*12 side |
2 front, 2 side |
| T45 thread button bits |
102 |
8*13 front, 6*12 side |
2 front, 2 side |
| T45 thread button bits |
115 |
8*14 front, 6*13 side |
2 front, 2 side |
T51 Thread Button Bits
| Name |
Diameter (mm) |
Tip size (mm) |
Flushing holes |
| T51 thread button bits |
89 |
8*12 front, 5*12 side |
2 front, 2 side |
| T51 thread button bits |
102 |
8*13 front, 6*12 side |
2 front, 2 side |
| T51 thread button bits |
115 |
8*14 front, 6*13 side |
2 front, 2 side |
| T51 thread button bits |
127 |
8*14 front, 6*14 side |
2 front, 2 side |
