Tapered Rock Drilling Tools 7° Cross- Type Drill Bit High Wear Resistance
Tapered Rock Drilling Tools
Cross - Type Bit
Basic Information :
| Diameter, mm | For class of clock |
Tip size,mm: height x width |
Taper angle | Weight, kg |
| 30 | 11-15 | 12 x 12 x 8 | 4° | 0.29 |
| 32 | 11-15 | 12 x 12 x 8 | 4° | 0.31 |
| 33 | 11-15 | 12 x 12 x 8 | 4° | 0.33 |
| 34 | 11-15 | 12 x 12 x 8 | 4° | 0.34 |
| 35 | 11-15 | 12 x 12 x 8 | 7° | 0.36 |
| 36 | 11-15 | 13 x 12 x 8 | 7° | 0.37 |
| 38 | 11-15 | 14 x 12 x 8 | 7° | 0.43 |
| 40 | 11-15 | 15 x 12 x 8 | 7° | 0.47 |
| 41 | 11-15 | 15 x 12 x 8 | 7° | 0.49 |
| 42 | 11-15 | 15 x 12 x 8 | 7° | 0.51 |
| 43 | 11-15 | 15 x 12 x 8 | 7° | 0.53 |
| 45 | 11-15 | 17 x 14 x 8 | 7° | 0.58 |
| 48 | 11-15 | 17 x 14 x 8 | 7° | 0.67 |
| 50 | 11-15 | 19 x 14 x 8 | 7° | 0.72 |
| 55 | 11-15 | 20 x 16 x 10 | 7° | 0.92 |
| 60 | 11-15 | 22 x 16 x 10 | 7° | 1.19 |
Features :
• Suitable for small hole range
• Used on medium to hard rock formations
• H25 Thread System
H25 Thread System affords drillers the ability to change drilling bits whilst still using the same drilling rod for small hole drilling. Button bits are cost-effective on medium to hard rock formations, offering faster penetration rates.
Other similar tools:
1) Horseshoe Chisel Bit
2) Flat Chipways Chisel Bit
3) Oblique Chipways Chisel Bit
4) Oblique- Flat Chipways Chisel Bit
5) Button Bit (Short skirt, Long skirt) and etc.
Application:
Tapered drill bits are used in granite and marble quarry, gold mine, railway, dimensional stone industry, underground mining, tunnels and etc. for drilling.
P.S. We can design and manufacture according to customers’ requirements of the bit diameter, number of air holes and carbide button shape.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

