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Brand Name : JCDRILL
Model Number : 6 Inch
Certification : ISO9001,CE
Place of Origin : China
MOQ : 1 Set
Payment Terms : L/C, T/T
Supply Ability : 20000set/year
Delivery Time : 7 Days
Packaging Details : Standard Export Packing
Name : DTH Hammer
Application : DTH&Water Well Drilling
Material : Alloy
Diameter : 6 Inch
Factory Visit : Support
Sample Order : Support
Package : Standard Export Packing
Color : Customized
6 Inch Down The Hole Drilling Hammer For DTH And Water well drilling
Application
DTH hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend well beyond the original conception of early blast hole drilling.
Down-the-Hole refers to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill string. The DTH hammer piston always makes direct contact with the drill bit and there is generally no loss of transmitted energy as the hammer drills deeper, as is the case with drifter (top hammer) rigs.
We offers a wide range of DTH hammers suitable for a variety of drilling operations. Our Down the Hole hammers provide the most versatile and cost effective rock drilling method.
Characteristics
- Advanced hammer designs with high power and air efficiency increases productivity
- Tailored product offering covers all your applications and conditions
- Easy service and maintenance designs reduces machine downtime
- Generic and proprietary shank options give you flexibility and reliability
Specification
Hammer inch | Bits diameter | Shank | |
Metric | Inch | ||
1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 M30/DHD3.5/BR3 |
4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 SD4/M40/QL40 |
5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 SD5/M50/QL50/BR5 |
6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 M60/QL60/Bulroc BR6 |
8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 QL80/M80 |
10" | 254mm-380mm | 10"-15" | SD10 NUMA100 |
12" | 305mm-508mm | 12"-20" | DHD1120/SD12 NUMA120/NUMA125 |
To know 12-30 inch bits information, contact us now. |
DTH hammers specifications:
Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
1-3" Middle-low pressure DTH hammers | BR1 BR2 BR3 | RD40 box RD50 box API 2 3/8" Reg | Φ64-Φ76mm Φ70-Φ90mm Φ90-Φ110mm | 0.7-1.75Mpa | 0.7 Mpa | 4.5 m3/min |
1.0 Mpa | 4 m3/min | |||||
1.4 Mpa | 5 m3/min | |||||
3" hammers | DHD3.5 COP32/COP34 M30 | API 2 3/8"Reg | Φ90-Φ110mm | 1.0-1.5Mpa | 1.0 Mpa | 4.5 m3/min |
1.5 Mpa | 9 m3/min | |||||
4" hammers | DHD340 COP44 QL40 SD4 M40 | API 2 3/8"Reg | Φ105-Φ130mm | 1.0-2.5Mpa | 1.0 Mpa | 6 m3/min |
1.8 Mpa | 10 m3/min | |||||
2.4 Mpa | 15 m3/min | |||||
5" hammers | DHD350 COP54 QL50 SD5 M50 | API 2 3/8"Reg API 3 1/2"Reg | Φ130-Φ156mm | 1.0-2.5Mpa | 1.0 Mpa | 9 m3/min |
1.8 Mpa | 15 m3/min | |||||
2.4 Mpa | 23 m3/min | |||||
6" hammers | DHD360 COP64 QL60 SD6 M60 | API 3 1/2"Reg | Φ152-Φ203mm | 1.0-2.5Mpa | 1.0 Mpa | 10 m3/min |
1.8 Mpa | 20 m3/min | |||||
2.4 Mpa | 28.5 m3/min | |||||
8" hammers | DHD380 COP84 QL80 SD8 M80 | API 4 1/2"Reg | Φ200-Φ279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
1.8Mpa | 26m3/min | |||||
2.4Mpa | 34m3/min | |||||
10" hammers | SD10 NUMA100 | API 6 5/8"Reg | Φ254-Φ330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min |
1.8Mpa | 40m3/min | |||||
2.4Mpa | 55m3/min | |||||
12" hammers | DHD1120 SD12 NUMA120 NUMA125 | API 6 5/8"Reg | Φ305-Φ381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
1.8Mpa | 56m3/min | |||||
2.4Mpa | 78m3/min |
Packing& Delivery
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Customized Color Alloy Down The Hole Hammer 6 Inch Diameter High Power Images |