| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | API |
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| Hammer size | 1" bit | 2" bit | 3" bit | 4" bit | 5" bit | 6" bit | 8" bit | 10" bit | 12" bit | 15" bit | 20" bit | 24" bit |
| DTH bits Diameter range | 57 64 70 76 (3") | 80 82 90 | 92 95 100 105 110 | 105 110 115 120 125 130 | 130 135 138 140 146 150 152(6") 156 | 152 154 156 159 165 171 178 185 190 203(8") | 200 203 216 219 222 225 229(9") 235 240 254(10") 270 279(11") | 254 270 279 295 305(12") 311 315 330 (13") | 305 311 315 330 343 350 356 368 375 381 (15") | 381 391 413 435 438 445 451 457(18") 464 483(19") 508(20") | 483 508 560(22") 578 610(24") 660(26") | 610 660 724 737 ( 29") 762 (30") 864 (34 ") 914 (36") |
| Specification | BR1 | BR2 DHD25 | DHD35 IR3.5 COP34 BR3 QL30 COP32 M30 | DHD340A COP44 SD4 M40 SD4 | DHD55 DHD350R COP54 M50 SD5 QL50 | DHD65 M60 SD6 QL60 | DHD85, DHD380, DHD84, M80, SD80, QL80 | SD10 NUMA100 | DHD120 NUMA120 NUMA125 | DHD330 | DHD450 | DHD525 |
| Bit details | ||||||||||||
| Bit Face | Flat | Flat | Flat | Flat | Flat | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex |
| Carbide button | Dome/hemispherical, Paraboli/semi-ballistic, Ballistic | |||||||||||
| Gauge buttons | 8*12, 7*11 | 8*14 | 8*16/18 | |||||||||
| Front buttons | 7*12/13/14 | 8/10*14/15/16 | ||||||||||
| Buttons Qty | 8 | 10 to 13 | 15 | 15 to 18 | 16 to 18 | 16 to 24 | 18 to 41 | 22 to 41 | 41 to 55 | 45 to 81 | 77to 93 | 75 to 132 |
| Air pressure | 0.7-1.75Mpa | 0.7-1.75Mpa | 1-1.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa |
| Size type | Normal | Normal | Normal | Normal | Normal | Normal | Normal | Big size | Big size | Big size | Big size | Big size |
| Skirt steel | 23CrNi3Mo, 20Cr2Ni4 | |||||||||||
| Production process | Fully carburized () of special heat treament with stress relief ( ) + full CNC ()for accurate machincal processing for perfect arc of skirt body to assure same consumption of skirt body with YK05 tungsten carbide inserts, which is by cold-inserted techology , no broken and drop in time of drilling | |||||||||||
| Advantage | ||||||||||||
| R. O.P | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast |
| Hole straightness | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect |
| Hole clean quality | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good |
| Productivity action | High | High | High | High | High | High | High | High | High | High | High | High |
| Drilling life | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer |
| Interchangable | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | |
| Air consumption | Less | Less | Less | Less | Less | Less | Less | Less | Less | Less | Less | |
| Resisitance wear | High | High | High | High | High | High | High | High | High | High | High | |
| Usage | Quarry | Quarry | Quarry | blasting | blasting | blasting | blasting | water wells oil gas | water wells oil gas | water wells oil gas | water wells oil gas | water wells oil gas |
| Worksite test | ||||||||||||
| Rock hardness | 14-16HRC | |||||||||||
| Air pressure | 20KG | |||||||||||
| Depth meter | 1.5 M | |||||||||||
| drilling speed | 4 minute | |||||||||||
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