Self-Drilling Anchor Bolt Drill Bit
Drill bits are cutting tools used to create cylindrical holes by being rotated with torque and axial force. This drill bit is especially efficient and fast when drilling in hard and medium-hard rock for self-drilling anchor bolts.




Technical Specifications
Product Overview
Self-Drilling Anchor Bolt Drill Bits
These high-performance drill bits are engineered for self-drilling anchor bolt systems, providing reliable anchoring solutions in diverse geological conditions. The range includes various bit designs, from steel cross bits to tungsten carbide (TC) button and arched bits, tailored for soil, clay, and medium rock formations. Their robust construction ensures efficient drilling and installation, making them an essential component for demanding ground support projects.
Technical Specifications
Available Diameters
| Thread Type | Diameters (mm) |
|---|---|
| R25 | 42, 51 |
| R32 | 51, 76 |
| R38 | 76, 90, 115, 130 |
| R51 | 76, 90, 100, 115, 130 |
| R76 | 130, 150 |
Bit Types & Applications
Bit Variants
- Steel cross bit (EX): Loose to medium dense conditions with small boulders
- TC cross bit (EXX): Soft to medium rock formations
- Steel button bit (ESF): Unconsolidated rock with boulders
- TC button bit (ESSF): Medium rock with boulders
- Steel arched bit (EC): Unconsolidated soil with small boulders
- TC arched bit (ECC): Soft to medium rock formations
- Steel 3 cutter bit (EY): Loose to medium dense ground conditions
- TC 3 cutter bit (EYY): Soft to medium dense ground conditions
- Cast clay bit (EW): Very soft to soft clay
- Cast cross bit (X): Sand and gravel
Customization
- Design Options
- Custom Design AvailableSteel OptionsAlloy Options


