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Brand Name : ROSCHEN
Model Number : 4"
Certification : ISO
Place of Origin : Germany
MOQ : 1 pcs
Supply Ability : 1000 sets
Packaging Details : Polywood box
Price : Negotiate
Model : Down The Hole Hammer
Mining Object : Mining, Ore Machinery, Stone Quarry
Usage : Use Together With DTH Button Bits
Model No. : DHD360, QL60, SD80, COP64, COP84
Series No. : SD, ROS, COP, BR, DHD, Mission
Materials : High Carbon Steel
Application : DTH Drilling. Coal Mining, Quarry
Drill Diameter : 65-305mm
Machine : Hydraulic Crawler Drill Rig
Drilling : Down The Hole Drilling, DTH Drilling
Tools : Top Hammer Drilling Tools
HS Code : 82071990
Secoroc DTH Hammers RH450 4" (inch) with Complete Hammer With 2 3/8 API Reg. Pin
 
Atlas Copco DTH Hammers RH450 4" (inch) with Complete Hammer With 2 3/8 API Reg. Pin (34.00kg 74.8lb)
Altas Copco DOWN THE HOLE DRILLING HAMMERS
 
Atlas Copco Down The Hole Drilling Hammers
 
Atlas Copco DTH Hammer RH450 3.5"(inch)
 
DTH drilling tools
 
Roschen's extensive range of tools for down-the-hole drilling includes hammers, drill bits and tool systems for simultaneous drilling-and-casing through difficult overburden. Combining advanced materials technology with skillful design focusing on performance, simplicity and endurance, our DTH tools give high productivity, great reliability and low operating costs. 
 
Features:
 
1. Valveless air distribution. More reliable.
2. Simple design of the piston. Long life.
3. More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, long life, less failure 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.
 
Specifications of DTH Hammers: 
 
| Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 2" | BR2 | RD50 box | ¢70-¢90mm | 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min | 
| 1.0Mpa | 4m3/min | |||||
| 1.4Mpa | 5m3/min | |||||
| 3" | DHD3.5 | API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min | 
| COP32/COP34 | ||||||
| M30 | 1.5Mpa | 9m3/min | ||||
| 4" | DHD340 | API 2 3/8"Reg | ¢110-¢135mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min | 
| COP44 | ||||||
| QL40 | ||||||
| SD4 | 1.8Mpa | 10m3/min | ||||
| M40 | 2.4Mpa | 15m3/min | ||||
| 5" | DHD350 | API 2 3/8"Reg/API 3 1/2"Reg | ¢135-¢155mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min | 
| COP54 | ||||||
| QL50 | ||||||
| SD5 | 1.8Mpa | 15m3/min | ||||
| M50 | 2.4Mpa | 23m3/min | ||||
| 6" | DHD360 | API 3 1/2"Reg | ¢155-¢190mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min | 
| COP64 | ||||||
| QL60 | ||||||
| SD6 | 1.8Mpa | 20m3/min | ||||
| M60 | 2.4Mpa | 28.5m3/min | ||||
| 8" | DHD380 | API 4 1/2"Reg | ¢195-¢254mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min | 
| COP84 | ||||||
| QL80 | 1.8Mpa | 26m3/min | ||||
| SD8 | 2.4Mpa | 34m3/min | ||||
| 10" | SD10 | API 6 5/8"Reg | ¢254-¢311mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min | 
| Numa100 | 1.8Mpa | 40m3/min | ||||
| 2.4Mpa | 55m3/min | |||||
| 12" | DHD1120 | API 6 5/8"Reg | ¢305-¢445mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min | 
| SD12 | 1.8Mpa | 56m3/min | ||||
| Numa120 | 2.4Mpa | 78m3/min | ||||
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
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