PR54 Reverse Circulation RC Hammer for Drilling
Product Specifications
| Attribute | Value |
| Manufacturing Process | Forging |
| Material | Alloy Steel |
| Connection Thread | API 3 1/2" Reg |
| Hole Range | Dia 155 - 190 mm |
| Working Pressure | 1.0 - 2.5MPa |
| Compatible Bit Shank | Mission60 / Cm60A |
| Transport Package | Ply-Wooden Cases for Exporting |
| Specification | 2 inch to 12 inch |
| Trademark | Super Diamond |
| Origin | China |
| HS Code | 8207199000 |
Product Advantages
- 95% compatibility with original products
- Premium alloy steel construction with advanced hardening for extended service life
- Complete production chain ensures stable quality and prompt delivery
- Manufactured by experienced technicians and engineers
- Custom solutions available with efficient service
- Competitive pricing with superior quality compared to smaller manufacturers
- Global customer base across Europe, Africa, Asia, and Australia
Foot Valve-Free Design Benefits
- Eliminates foot valve failure risks from abrasion or high temperatures
- 15-30% faster drilling speed with lower energy consumption
- Simplified, reliable design for longer lifespan and easier maintenance
- Reduced air and oil consumption (10% less oil than foot valve models)
- Highly recommended for demanding drilling applications
Product Images
Technical Specifications
| Hammers | Bit Shank | Connection Thread | Suitable Bit | Working Pressure | Air Consumption |
| 1-3" Middle-low pressure DTH hammers | BR1 | RD40 box | 64-76mm | 0.7-1.75Mpa | 4.5m3/min |
| BR2 | RD50 box | 70-90mm | 0.7-1.75Mpa | 4m3/min |
| BR3 | API 2 3/8" Reg | 90-110mm | 0.7-1.75Mpa | 5m3/min |
| 3" hammers | DHD3.5 | API 2 3/8"Reg | 90-110mm | 1.0-1.5Mpa | 4.5m3/min |
| 4" hammers | DHD340 | API 2 3/8"Reg | 105-130mm | 1.0-2.5Mpa | 6m3/min |
| 5" hammers | DHD350 | API 2 3/8"Reg/API 3 1/2"Reg | 130-156mm | 1.0-2.5Mpa | 9m3/min |
| 6" hammers | DHD360 | API 3 1/2"Reg | 152-203mm | 1.0-2.5Mpa | 10m3/min |
| 8" hammers | DHD380 | API 4 1/2"Reg | 200-279mm | 1.0-2.5Mpa | 15m3/min |
| 10" hammers | SD10 | API 6 5/8"Reg | 254-330mm | 1.0-2.5Mpa | 22m3/min |
| 12" hammers | DHD1120 | API 6 5/8"Reg | 305-381mm | 1.0-2.5Mpa | 30m3/min |
Production Process
Manufacturer Profile
We are a leading manufacturer of rock drilling tools including DTH hammers, RC hammers, top hammer button bits, and ODEX systems. Our 26,600 square meter facility in LiuYang, China includes 22,000 square meters of production space.
Our commitment to quality, service, and competitive pricing has earned us a global reputation with customers in Brazil, Peru, South Africa, Australia, Turkey, Russia, Ukraine, and Korea.
Factory Overview
Quality Assurance
All products use high-grade steel with strict pre-shipment inspection. We provide prompt responses to customer feedback and suggestions.
Packaging
Frequently Asked Questions
Are you a manufacturer or trade company?
We are a direct manufacturer of rock drilling equipment and pneumatic tools in China.
What is your production capacity?
Our facility spans 26,600m² with over 100 employees and 400 sets of advanced equipment. 50-70% of production serves global markets.
Where is your factory located?
Located in Changsha, Hunan province, with convenient access to Huanghua International Airport and high-speed rail connections.
Why choose CJG DRILL?
- 17+ years of specialized manufacturing experience
- High compatibility with major brands (Robit, Atlas Copco, Ingersoll Rand)
- Competitive pricing without compromising quality
- Exceptional customer service
What are your shipping terms?
We typically ship from Shanghai or Guangzhou ports, with container loading options.
Do you accept OEM/ODM orders?
Yes, we accommodate both OEM and ODM requirements.
What is your minimum order quantity?
MOQ is 1 piece or 1 complete set, with quantity-based pricing.
What payment methods do you accept?
T/T, L/C at sight, Western Union, and cash payments.
What is your typical lead time?
Approximately one month for standard orders.
Can we visit your factory?
We welcome customer visits and can arrange airport pickup, hotel reservations, and factory tours.
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