China Used DTH Hammer Bit, Find details about China DTH Bit, DTH Hammer from China Used DTH Hammer Bit
DTH 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 | ||
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 |