Your Professional Rail Wrench Supplier！
Henan Qiangli Machinery Co., Ltd., established in 1995, is a high-tech enterprise specializing in the research, development, manufacturing, and sales of railway maintenance machinery.We currently offer eleven categories of products to the market, including rail drilling machines, rail cutters, sleeper bolt power wrenches, rail grinders, tamping picks, bolt core drilling machines, dedicated grinding machines for hollow drill bits, hollow drill bits, and reinforced bridge joint fishplates made of high-strength, high-toughness, wear-resistant, and weldable bainitic steel. Among these products, seven have been granted national patents.
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![Bolt Impact Wrench]()
Bolt Impact WrenchThe NLB-600 internal combustion bolt impact wrench is a new generation of mobile bolt wrench developed and manufactured by our company. It is applicable to the tightening and loosening operation...view more -
![Petrol Engine Rail Bolt Wrench]()
Petrol Engine Rail Bolt WrenchNLB-2000 portable impact petrol engine railway wrench is a special tool for tightening and loosing the nuts from M16 to M32 of rails used for railway, subway and ight rail. This machine is...view more -
![Cordless Impact Wrench]()
Cordless Impact WrenchThe QL Cordless Impact Wrench delivers powerful 500 N·m torque and all-day 4000 mAh battery life, making it ideal for railway maintenance. Compact and portable, it easily handles M18–M24 rail...view more -
![Railroad Track Maintenance Tools]()
Railroad Track Maintenance ToolsOur Railroad Track Maintenance Tools are rugged, precision-engineered electric torque wrenches designed for heavy-duty rail fasteners (M24–M36). Combining high power with portability, they deliver...view more -
![Railway Impact Gun]()
Railway Impact GunThe QL-RIG9000 Railway Impact Gun is a 40V brushless tool engineered for railway fastener installation, including Pandrol clips, E-clips, and M30 bolts. With intelligent torque control, CE...view more -
![OEM Wrench Rail]()
OEM Wrench RailYLB-850 Hydraulic Railway Impact Wrench is a next-generation, high-efficiency fastening solution engineered for modern railway construction and maintenance. Featuring fully hydraulic static torque...view more -
![Hydraulic Impact Wrench Railroad]()
Hydraulic Impact Wrench RailroadThe DLB-600 Hydraulic Impact Wrench is a compact, 105kg rail maintenance tool delivering 20–450 N·m adjustable torque (600 N·m peak) for fast, safe tightening of M22–M30 rail nuts — engineered for...view more -
![Railroad Wrench]()
Railroad WrenchThe TS-20 Cordless Railroad Wrench delivers 400–2000 N·m precision torque without cords or compressors — engineered for fast, accurate rail bolt installation anywhere, from tunnels to remote yards.view more -
![Gear Wrench Socket Rail]()
Gear Wrench Socket RailThe NLB-2000 portable petrol-powered rail bolt wrench is engineered for heavy-duty railway construction and maintenance, delivering 2000 N·m of peak impact torque to effortlessly loosen rusted,...view more -
![Wrench Rails]()
Wrench RailsEngineered for heavy-duty track maintenance, this petrol-driven rail bolt impact wrench delivers high-torque performance in remote, off-grid environments. With rugged construction, rapid...view more -
![Rail Bolt Wrench]()
Rail Bolt WrenchIntroducing the QiangLi LB-2500 Battery Powered Rail Bolt Wrench — the ultimate cordless torque solution for modern railway maintenance. Engineered with smart pulse impact technology, it delivers...view more -
![Impact Wrench For Rail Maintenance]()
Impact Wrench For Rail MaintenanceDiscover the top features to look for in a cordless impact wrench for railway track fastening, including 2000Nm torque, auto-stop function, M18 battery compatibility, and low vibration design....view more
Why Choose Us
Our Factory
Our company is based in the Zhengzhou High-Tech Industrial Development Zone, covering an area of more than 30 mu (approximately 20,000 square meters). Our factory has a total construction area of about 15,000 square meters, including a modern office building of over 5,000 square meters.
Our Certificate
We currently hold three national invention patents and multiple utility model technology patents. Our company has passed the ISO 9001 quality management system certification as well as the international CE certification.
Professional Team
We have built a strong team of over 40 well-known experts, professors, and experienced senior and intermediate-level engineers specializing in product research, development, and technical management.
Sales Market
Over the years, our products have been exported to multiple countries, and we have established stable distribution networks in regions such as Russia, Spain, South Korea, Indonesia, Malaysia, and Singapore.
A "Rail Wrench" typically refers to a specialized hand tool, often called a handrail bolt wrench, used for installing and tightening rail bolts that secure handrails and balusters in staircases and other applications. These wrenches are designed with a small neck to fit into the narrow openings of stair parts, allowing them to drive the bolt, start the nut, and complete the tightening process, creating a secure and stable connection.
Product Specification
We offers the following product specifications：
|
Parameter |
Specification |
|
Motor Type |
3kW Three-Phase Asynchronous Motor (Y Connection) |
|
Motor Speed |
2900 r/min |
|
Output Shaft Speed |
149 r/min |
|
Adjustable Torque Range |
20–450 N·m (Infinitely Variable) |
|
Peak Instantaneous Torque |
600 N·m |
|
Compatible Socket Sizes |
M22, M24, M27, M30 Hex Nuts |
|
Main Unit Weight |
105 kg |
|
Support Rod Weight |
3 kg |
|
Dimensions (L×W×H) |
1800 × 590 × 630 mm |
|
Special Features |
LED Work Light, Height-Adjustable Handle, Metal Cone Clutch |
Product features
Efficient and labor-saving
Compared with traditional manual tools, power rail bolt wrenches (such as electric, internal combustion, hydraulic, etc.) can significantly improve work efficiency and reduce labor intensity.
Adjustable torque
Support multi-level or stepless torque adjustment to ensure the tightening force requirements under different working conditions and avoid over-tightening or loosening of bolts.
Strong adaptability
Applicable to various fastener systems and rail types, covering ordinary railways, high-speed railways, urban rail transit, mining tracks, and other scenarios.
Compact structure, easy to carry
The whole machine is designed to be light and flexible, easy to carry in the field, and suitable for mobile operations.
Common types
Bolt Impact Wrench
The whole bolt impact wrench is easy to operate, safe and reliable. It is convenient to get on and off the track. Moreover, it can be equipped with a lighting lamp to illuminate the sleeve head during night operations.
Hydraulic Impact Wrench Railroad
Hydraulic Impact Wrench is engineered specifically for railway infrastructure teams requiring precision, power, and portability in track bolt tightening and removal. Unlike generic impact tools, this machine integrates hydraulic torque regulation with mechanical transmission to deliver controlled, repeatable force - critical for maintaining rail joint integrity, fishplate alignment, and turnout reliability.
Battery Powered Torque Wrench
The lithium battery powered torque wrench integrates high-efficiency impact, portability, flexibility, environmental friendliness and energy conservation. It is particularly suitable for handling stubborn nuts in railway bolt maintenance, significantly enhancing construction efficiency and reducing labor intensity. It is an ideal tool for modern railway maintenance.
Cordless Socket Wrench
The lithium battery cordless socket wrench with digital display puts the torque sensor in front of the gear barrel at the rear end of the drive shaft, which can collect the torque value in the process of bolt tightening in real time and send it to the wrench control system, so as to accurately control the tightening torque of the wrench.
Application
Railway Line Maintenance
The bolt impact wrench applicable to the loosening and tightening operation of nuts for concrete sleeper fasteners.
Metro And Light Rail Construction
Meeting the bolt fastening requirements of urban rail transit.
Night Or Tunnel Operations
Equipped with lighting fixtures to ensure efficient construction even in low-light conditions.
Other Services
Direct Factory Pricing
No middlemen. Save 15–30% vs. European or North American brands.
01
Global Export Experience
We handle crating, documentation, and logistics for sea/air freight to your port.
02
3-Year Structural Warranty
Backed by ISO 9001 QC and field-tested reliability since 2012.
03
Customization Available
Adjust capacity, stroke, color, logo, or add digital load gauge.
04
24/7 Support
WhatsApp, Email, Video Guides - we speak English, Spanish, Arabic, Russian.
05
Certificate
Package & Delivery
Transport Package: Packed in Wooden Crates, Wooden Pallets.
Delivery & After-sales: After the contract is signed, the company arranges production and delivery, and also provides after-sales service and technical support to ensure customer satisfaction.
FAQ
We're well-known as one of the leading rail wrench manufacturers and suppliers in China. If you're going to buy high quality rail wrench, welcome to get more information from our factory. Also, customized service is available.
