Down The Hole Bits
Convex Face DTH Button Bit (4")
Convex face bit for straight, fast holes in medium-hard rock.
Convex Face DTH Button Bit (4")
CB-4
Convex Face DTH Button Bit (4")
Convex face bits center the bit in the hole and reduce deviation — ideal for blast holes and water wells in granite and limestone. Premium tungsten carbide buttons extend wear life.
Blast holesWater wellsGraniteLimestone
Specifications
| Diameter | Ø105 / 110 / 115 mm |
|---|---|
| Face design | Convex |
| Buttons | 6×Φ14 + 4×Φ14 (gauge) |
| Shank | ND45 / Cop44 |
| Carbide | Spherical tungsten carbide |
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