R25 Tungsten Carbide Button Drill Bit with Short Skirt Spherical Buttons
1. High wear resistance
2. Tungsten carbide
3. Medium-hard to hard abrasive rock
Description
This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
Color: Green or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: R25 Button Bit Short Skirt Spherical Buttons
Applications
• Underground mining
• Tunneling
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
specification
| Part Number | Product Code and Brief Description | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons (No. x mm) | Gauge Buttons (No. x mm) | Angle | Front Flushing Holes | Side Flushing Holes | Weight (kg) |
| 4148300376 | BS733-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.4 |
| 4148300377 | BS735-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.4 |
| 4148300378 | BS738-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 38 | 1 1/2 | 2x7 | 5x8 | 30° | 1 | 1 | 0.5 |
| 4148300379 | BS738-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 |
| 4148300380 | BS741-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 41 | 1 3/5 | 2x9 | 4x9 | 35° | 1 | 2 | 0.6 |
| 4148300381 | BS741-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 41 | 1 3/5 | 2x8 | 5x9 | 35° | 1 | 1 | 0.6 |
| 4148300382 | BS645-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x9 | 4x11 | 35° | 1 | 2 | 0.6 |
| 4148300383 | BS745-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x8 | 5x10 | 30° | 1 | 2 | 0.6 |
| 4148300384 | BS745-R25-S, R25 Button Bit, Short Skirt, Spherical Buttons | 45 | 1 7/9 | 2x8 | 5x11 | 30° | 1 | 2 | 0.6 |
