Specification Of BR Series Low Pressure Drill Bit
| BR | Head shape | Diameter | Number of vents | NO X button diamter | weight (KG) | ||
| mm | Toothed | Gauge | Front | ||||
 BR1 |
Flat Face Bit | 64 | 2 | Ballistic Button | 6XØ10 | 4XØ9 | |
| Convex Face | 70 | 2 | Ballistic Button | 6XØ11 | 4XØ10 | ||
 BR2 |
Flat Face Bit | 76 | 2 | Round Button | 6XØ12 | 4XØ10 | |
| Flat Face Bit | 80 | 2 | Round Button | 6XØ13 | 5XØ10 | ||
| Flat Face Bit | 90 | 2 | Round Button + Ballistic Button | 6XØ13 | 4XØ12 | ||
 BR3 |
Flat Face Bit | 90 | 2 | Semi-Ballistic Button | 6XØ14 | 5XØ12 | |
| Convex Face | 98 | 2 | Semi-Ballistic Button | 6XØ14 | 6XØ12 | ||
 BR33 |
Convex Face | 94 | 2 | Semi-Ballistic Button | 6XØ14 | 2XØ13+2XØ12 | |
| Flat Face Bit | 115 | 2 | Round Button | 8XØ14 | 7XØ13 | ||
We can design and manufacture according to customers requirement of the bit diameter, the NO.of air holes,
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