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Specifications
Coal Mining DTH Hammer For Rock Drill1.Type:High & low pressure DTH hammers
2.Suitable: for many DTH bit
Coal Mining DTH Hammer For Rock Drill
Instroction
DTH is abbreviation for "down the hole" . Low Air Pressure Down The Hole Drill Bit (DTH ButtonDrill Bit) is used to produce large-diameter holes in rocks, usually in the initial stage prior to blasting, but it is also used in non-blasting applications. DTH drilling are used mostly in mining quarries but can be used in a variety of other construction applications. The DTH drilling method is growing in popularity, with increases in all application segments, including blast-hole, water well, foundation, oil & gas, cooling systems and drilling for heat exchange pumps. Applications were later found for the DTH method underground, where the direction of drilling is generally upwards instead of downwards.
Specification
| Model |
Length mm |
Thread | Outside Dia.(mm) | Weight | Air consumption(Bar) |
Wrench (mm) |
Air consumption(L/S) |
| D84 | 1344 | 4 1/2"REG | 182 | 190 | 6/25 | 148 | 420/780/875L/S |
| D64 | 1189 | 3 1/2“REG | 137 | 98 | 6/25 | 95 | 175/345/480L/S |
| D54 | 1140 | 2 3/8”REG | 124 | 75 | 6/25 | 74-95 | 145/261/348L/S |
| D44 | 979 | 2 3/8”REG | 99 | 40 | 6/25 | 74 | 105/185/250L/S |
| D35 | 892 | 2 3/8”REG | 80 | 25 | 6/25 | 65 | 90/170/220L/S |
| D24 | 868 | F42*10*1.5 | 70 | 20 | 6/25 | 55 | 70/120/180L/S |
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