| COP | Head shape | Diameter | Number of vents | NO X button diameter | weight (KG) | ||
| (mm) | Toothed | Gauge | Front | ||||
 COP32 |
Convex face | 90 | 2 | Parabolic button | 8XØ12 | 6XØ11 | |
| Convex face | 105 | 2 | Parabolic button | 8XØ13 | 5XØ13+2XØ12 | ||
 COP34 |
Flat Face Bit | 105 | 2 | Round Button+Ballistic Button | 8XØ14 | 6XØ13 | |
 COP42 |
Concave Face | 130 | 2 | Round Button | 8XØ14 | 4XØ14+3XØ13 | |
 COP44(DHD340) |
Convex Face | 115 | 2 | Round Button | 7XØ16 | 6XØ14 | |
| Flat Face Bit | 127 | 2 | Round Button+Ballistic Button | 8XØ14 | 7XØ14 | ||
| Concave Face | 140 | 2 | Round Button | 8XØ14 | 8XØ14 | ||
 COP54(DHD350) |
Concave Face | 146 | 2 | Round Button | 8XØ18 | 4XØ15+3XØ14 | |
| Flat Face Bit | 152 | 2 | Round Button+Ballistic Button | 8XØ18 | 8XØ14 | ||
 COP64(DHD360) |
Flat Face Bit | 178 | 2 | Round Button+Ballistic Button | 8XØ18 | 11XØ16 | |
| Flat Face Bit | 190 | 3 | Round Button+Ballistic Button | 9XØ18 | 11XØ16 | 30 | |
| Flat Face Bit | 203 | 2 | Round Button+Ballistic Button | 10XØ18 | 14XØ16 | 30.5 | |
| Convex Face | 241 | 2 | Round Button | 12XØ18 | 20XØ16 | ||
 COP66 |
Convex Face | 171 | 4 | Round Button | 8XØ19 | 8XØ19 | |
 COP84(DHD380) |
Convex Face | 203 | 2 | Round Button | 10XØ18 | 15XØ16 | |
| Flat Face Bit | 216 | 3 | Round Button | 12XØ18 | 14XØ16 | ||
| Flat Face Bit | 254 | 2 | Round Button | 12XØ18 | 28XØ16 | ||
| Convex Face | 305 | 3 | Round Button | 15XØ18 | 35XØ16 | ||
| We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape. | |||||||
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