◆Type and Technical Specification of bits for high efficiency high pressure DTH Hammers
| Type | Number of Air hole | DIa.(mm) | Weight(kg) | Gauge Button | Front Button | Matching DTH Hammer |
| GL440-115 | 2 | 110-113 | 8 | 7×ф14 | 6×ф12 | GL440 |
| GL440-130 | 2 | 130-133 | 12 | 7×ф14 | 8×ф12 | |
| GL450-130 | 2 | 130-133 | 15 | 6×ф13 | 3×ф12 | GL450 |
| GL450-140 | 2 | 140-143 | 15.4 | 6×ф13 | 6×ф12 | |
| GL450-152 | 2 | 152-155 | 19 | 8×ф14 | 7×ф13 | |
| GL460-165 | 2 | 165-170 | 25 | 8×ф14 | 7×ф13 | GL460 |
| GL460-178 | 2 | 178-181 | 27 | 8×ф14 | 8×ф13 | |
| GL480-203 | 2 | 203-206 | 48 | 7×ф16 | 7×ф14 | GL480 |
| GL480-216 | 2 | 216-219 | 50 | 7×ф16 | 7×ф14 | |
| GL480-254 | 3 | 254-257 | 58 | 6×ф16 | 6×ф14 |
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