Top hammer T45 T38 T51 threaded drill bits
How to choose the most suitable drill bit style?
|
BIT DESIGN |
Normal body
|
Spherical buttons ( Hard rock, low speed) | Flat face |
| Drop center | |||
| Ballistic buttons
( Soft rock, high speed) |
Flat face | ||
| Drop center | |||
| Retrac body (Suitable for construction situations where the rock is relatively broken and the rock formation changes) | Spherical buttons | Flat face | |
| Drop center | |||
| Ballistic buttons | Flat face | ||
| Drop center
|