Win Drill BR4-115mm - Bulroc valved type DTH button bits
Bit shank: BR4
Brand: Win Drill
Origine: China
Bit diameter: 105-127mm
Insert Button Shape: Spherical, ballistic, parabolic
Bit Faces: flat face, concave, convex
Packaging: Ply-wood box
Delivery Time: 5-30 days
Sample Order: Yes
OEM Service: Yes
Model: BR4-115mm
Win Drill BR4-115mm high performance DTH drill bits
The BR4 is a valved type hammer designed for high performance at low operating air pressures.
Simplicity of design, ease of service and low air consumption are all factors which combine to make these hammers robust and reliable drilling tools.
Both hammers are available as standard with 2 3/8 “ API Reg pin.
The BR4 hammer incorporate a positive fitting check valve to guard against the ingress of ground water debris when the air is shut off
Win Drill BR4 Bulroc valved type DTH button bits parameter
| Bit Diameter (mm) |
Part No. | No. x Button diameter (mm) | Weight (Kg) |
|||
| Gauge buttons |
Front Buttons | |||||
| Flat | Convex | Concave | ||||
| Φ105 | BR4-105CV7 | 7×Φ14 | 2×Φ14 | 4×Φ14 | / | 9.2 |
| Φ110 | BR4-110CV7 | 7×Φ16 | 2×Φ14 | 4×Φ14 | / | 9.6 |
| Φ115 | BR4-115CV7 | 8×Φ14 | 2×Φ14 | 4×Φ14 | / | 9.6 |
| Φ125 | BR4-125CV8 | 8×Φ14 | 3×Φ13 | 4×Φ14 | / | 10.2 |
| Φ127 | BR4-127FF6 | 8×Φ14 | 7×Φ13 | / | / | 10.3 |