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6-inch DTH Hammer GD60 is similar with DHD 360 with foot valve, used on drilling hole range from 155mm to 190mm. GD60 air pressure range is from 1.0Mpa to 2.5Mpa, the recommended impact rate is 23Hz under 17Mpa. The air consumption is 9m3 at 1.0Mpa and 26m3 at 2.4Mpa.
Product Description
It has the following advantages,
1. Valve air distribution, more reliable.
2. Simple design of the piston, long working life
3. More energy transfer, faster drilling speed, lower air and oil consumption.
4. Fewer internal parts, simple structure, longer service life, lower failure rate and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
DTH Drill Bit Products Parameters:
1.high and low air pressure down-the-hole drill bits
2.High air pressure hole Dia.:155-190mm
3.Face type: drop center bit/concave face/convex face/double gauge face/flat face bit
4. Carbide button shape: domed/round button parabolic/semi-ballistic button ballistic button sharp button flat button
5. Drill rock type: Granite, Marble, Limestone, Basalt, ect.
Model |
GD60 |
Foot Valve |
No |
Recommended Rotation Speed |
20-40r/min |
Air Pressure |
High 1.0-2.5Mpa |
Impact Rate under 1.7Mpa |
23Hz |
Air Consumption |
9m3-26 m3/min |
OD |
99mm |
Total Length (without bit) |
1248mm |
Total Weight (without bit) |
100kg |
Hole Range |
155mm-190mm |
Connection Thread |
API 3 1/2’’ Reg |
Bit Shank |
DHD360, COP64, DHD 6, Terranox 6 |
Application |
Quarrying, Surface Mining, Underground Mining, Well Drilling, Foundation Drilling |
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