HF DTH Bit
We are a leading manufacturer of drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Zhengzhou, Henan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.
Type and Technical Specification
| Type | Number of Air hole | DIa.(mm) | Weight(kg) | Gauge Button | Front Button | Matching DTH Hammer |
| GL4.5-115 | 2 | 115-118 | 6.4 | 7×14 | 6×12 | GL4.5 |
| GL4.5-120 | 2 | 120-123 | 7 | 7×14 | 6×12 | |
| GL4.5-130 | 2 | 130-133 | 8 | 7×14 | 6×12 | |
| GL4.5-140 | 2 | 140-143 | 8.2 | 7×14 | 6×12 | |
| GL4.5-150 | 2 | 150-153 | 9 | 7×14 | 6×12 | |
| GL330-85 | 2 | 82-85 | 3.4 | 6×14 | 3×12 | GL330 |
| GL335-90 | 2 | 90-93 | 4.6 | 6×14 | 7×12 | GL335 |
| GL340-105 | 2 | 105-108 | 7.7 | 8×14 | 7×13 | GL340 GL345 GL345K |
| GL340-115 | 2 | 115-118 | 8 | 8×14 | 7×13 | |
| GL340-130 | 2 | 130-133 | 10.5 | 8×14 | 8×13 | |
| GL350-130 | 2 | 130-133 | 17 | 7×16 | 7×14 | GL350 GL355 GL355K |
| GL350-140 | 2 | 140-143 | 18 | 7×16 | 7×14 | |
| GL350-152 | 2 | 152-155 | 19 | 6×16 | 6×14 | |
| GL360-152 | 2 | 152-155 | 25 | 8×16 | 11×14 | GL360 |
| GL360-165 | 2 | 165-170 | 26.5 | 8×16 | 11×16 | |
| GL360-178 | 2 | 178-183 | 28.6 | 8×16 | 11×16 | |
| GL360-194 | 3 | 194-197 | 30 | 9×16 | 12×16 | |
| GL360-203 | 3 | 203-206 | 32 | 9×16 | 13×16 | |
| GL360-216 | 3 | 216-219 | 35 | 9×16 | 13×16 | |
| GL360-230 | 3 | 230-233 | 37 | 12×16 | 16×16 | |
| GL360-254 | 3 | 254-257 | 43 | 12×16 | 16×16 | |
| GL360-305 | 3 | 305-308 | 57 | 14×18 | 26×16 | |
| GL380-203 | 2 | 203-206 | 48 | 8×18 | 10×16 | GL380 |
| GL380-216 | 3 | 216-219 | 50 | 9×18 | 13×16 | |
| GL380-230 | 3 | 230-233 | 53 | 9×18 | 17×16 | |
| GL380-254 | 3 | 254-257 | 58 | 9×18 | 16×16 | |
| GL380-310 | 3 | 310-313 | 71 | 12×18 | 15×16 | |
| GL380-350 | 4 | 350-353 | 80 | 16×18 | 36×16 | |
| GL3120-302 | 3 | 302-305 | 176 | 12×18 | ×18 | GL3120 |
| GL3120-311 | 3 | 311-314 | 177 | 12×18 | ×18 | |
| GL3120-330 | 3 | 330-333 | 186 | 12×18 | ×18 | |
| GL3120-357 | 3 | 357-360 | 196 | 18×18 | ×18 | |
| GL3120-381 | 3 | 381-384 | 205 | 18×18 | ×18 | |
| GL3120-444 | 3 | 444-447 | 230 | 18×18 | ×18 | |
| GL3120-483 | 3 | 483-486 | 285 | 18×18 | ×18 | |
| GL3120-508 | 3 | 508-511 | 311 | 18×18 | ×18 |
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