After-sales Service: | Online |
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Warranty: | 3 Months |
Application: | DTH Drilling, Coal Mining, Quarrying |
Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.
Available series of DTH hammer:
(1) high pressureDTH hammer type | CIR90 | |
Length(less bit) | 795mm | |
Weight(less bit) | 22.0kg | |
External diameter | Φ80mm | |
Bit shank IR3.5" | CIR90/QT90 | |
Hole range(mm) | Φ90-130 | |
Connection thread | male T48*10*2 | |
Working pressure | 0.5-0.7Mpa | |
Impact rate | 820rpm(6bar) | |
Recommended Rotation speed |
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Air consumption |
10bar | 120L/s(6bar) |
18bar | ||
24bar |
DTH hammer type | HD35 | HD45 | HD55 | |
Length(less bit) | 930mm | 1030mm | 1170mm | |
Weight(less bit) | 24.5kg | 39.2kg | 71.5kg | |
External diameter | Φ81mm | Φ99m | Φ125m | |
Bit shank | IR3.5"COP34 | COP44/DHD340 | COP54/DHD350R | |
Hole range(mm) | Φ90-110 | Φ110-135 | Φ135-155 | |
Connection thread |
API 2 3 /8" Reg. | API 2 3 /8" Reg. | API 2 3 /8" Reg. | |
API 3 1 /2" Reg. | ||||
Working pressure | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | |
Impact rate at 17 Bar | 28Hz | 27Hz | 25Hz | |
Recommended Rotation speed |
28r/min | 25-40r/min | 20-30r/min | |
Air consumption | 10bar | 80L/s | 100L/s | 1450L/s |
18bar | 1600L/s | 180L/s | 280L/s | |
24bar | 210L/s | 250L/s | 390L/s |
DTH hammer type | HD55C | HD65 | HD85 | |
Length(less bit) | 1160mm | 1248mm | 1487mm | |
Weight(less bit) | 70.00kg | 98.00kg | 188.00kg | |
External diameter | Φ125mm | Φ142m | Φ180m | |
Bit shank | HD55C DHD350Q | COP64/DHD360 | COP84/DHD380 | |
Hole range(mm) | Φ135-155 | Φ155-190 | Φ195-254 | |
Connection thread |
API 2³/8" Reg. | API 2³/8" Reg. | API 4 1 /2" Reg. | |
API 3 1 /2" Reg. | ||||
Working pressure | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | |
Impact rate at 17 Bar | 25Hz | 23Hz | 20Hz | |
Recommended Rotation speed |
20-30r/min | 15-25r/min | 15-20r/min | |
Air consumption | 10bar | 140L/s | 175L/s | 190L/s |
18bar | 280L/s | 3400L/s | 370L/s | |
24bar | 390L/s | 475L/s | 495L/s |
Suppliers with verified business licenses