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
|