ROSCHEN GROUP
                                                                                                           
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RH550 DTH Hammer 3" to 8" for High-Speed Drilling in Abrasive Rock Formations, 10-24 Bar Operating Pressure

Price Negotiable
Price: Negotiate
MOQ: 1 set
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
RH550 Hammer DTH Drilling Tools Overview
The RH550 down-the-hole hammer is engineered specifically for high-speed drilling in hard and abrasive rock formations, operating effectively at pressures ranging from 10 to 24 bar.
Key Features & Design Advantages
  • Patented shank design for optimized energy efficiency
  • No foot valve design for enhanced reliability
  • Available with heavy-duty or reversible casings for maximum service life
  • Proven performance in abrasive rock formations
RH550 Hammer Specifications
ROSCHEN Model Hammer Weight (kg/lb) Outside Diameter (mm/inch) Hammer Length (mm/inch)
ROS 32 RH550r 3" 25 / 55 81.3 / 3.2 823 / 32.4
ROS 42 RH550r 4" 38 / 83 98 / 3.56 914 / 36
ROS 50 RH550 5" 68 / 145 120 / 4.72 987 / 38.86
ROS 52 RH550g 5" 73 / 160 126 / 4.96 987 / 38.86
ROS 54 RH550r 5" 73 / 160 126 / 4.96 987 / 38.86
ROS 60 RH550 6" 72 / 158 142 / 5.6 922 / 36.3
ROS 62 RH550g 6" 82 / 180 150 / 5.9 922 / 36.3
ROS 64 RH550r 6" 82 / 180 150 / 5.9 922 / 36.3
ROS 65 RH550w 6" 72 / 158 142 / 5.6 922 / 36.3
ROS 80 RH550r 8" 173 / 380 181 / 7.12 1219 / 48
ROS 82 RH550w 8" 173 / 380 181 / 7.12 1270 / 50
Industry-Leading 4" and 5" Hammer Series
Our proven hammer designs incorporate years of industry experience with patented features that deliver optimized energy efficiency, high impact performance, and superior productivity across variable ground conditions.
DTH Hammer Technical Specifications
Hammer Size Bit Shank ROSCHEN Code Connection Thread Suitable Bit Working Pressure Air Consumption
3" DHD3.5 ROS 32 API 2 3/8" Reg ¢90-¢110mm 1.0-1.5Mpa 1.0Mpa: 4.5m³/min
1.5Mpa: 9m³/min
4" DHD340 ROS 34 API 2 3/8" Reg ¢110-¢135mm 1.0-2.5Mpa 1.0Mpa: 6m³/min
1.8Mpa: 10m³/min
2.4Mpa: 15m³/min
5" DHD350 ROS 52/ROS 54 API 2 3/8"Reg/API 3 1/2" Reg ¢135-¢155mm 1.0-2.5Mpa 1.0Mpa: 9m³/min
1.8Mpa: 15m³/min
2.4Mpa: 23m³/min
6" DHD360 ROS 62/ROS 64 API 3 1/2" Reg ¢155-¢190mm 1.0-2.5Mpa 1.0Mpa: 10m³/min
1.8Mpa: 20m³/min
2.4Mpa: 28.5m³/min
8" DHD380 ROS 82/ROS 84 API 4 1/2" Reg ¢195-¢254mm 1.0-2.5Mpa 1.0Mpa: 15m³/min
1.8Mpa: 26m³/min
2.4Mpa: 34m³/min
Special sizes of DTH bits available upon request. Metzke and Remet threads also available.
Quality Assurance & Service Commitment
  • High-quality steel construction with strict component inspection
  • 15-25 day production time based on order quantity
  • Multiple shipping options: air, express, or sea freight
  • Secure packaging with ply-wooden cases and pallets
  • 24-hour technical support and responsive customer service
  • Free replacement for confirmed product quality failures
Contact Information
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
Websites: www.roschen.com, www.roschen.net, www.roschen.cn, www.roschendrill.com, www.roschenmining.com, www.roschendrilling.com

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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