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Offset Striking Ring Wrench for Heavy Machinery Maintenance, Cr-Mo Steel, Rust Proof, Metric 27mm
Product Spotlights
Premium Cr-Mo steel offset striking ring wrench (27mm) with rust-proof finish, designed for heavy machinery maintenance. Offset angle enables access in confined spaces, while hardened striking face withstands repeated hammer blows. Precision metric sizing ensures secure fit. Backed by 20+ years manufacturer (Cangzhou Dean) with US$100M+ annual export; customizable sizes and markings available.
US$ 13
≥20 Units
Key Specifications
Get Latest Price
Material:
Other, Chrome Molybdenum Steel (Cr-Mo)
Size:
Other, 27mm (Metric)
Type:
Other, Offset Striking Ring Wrench
Payment & Shipping
Payment Methods:
Port of Shipment:
TIANJIN
Delivery Detail:
5 days
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Material
Other, Chrome Molybdenum Steel (Cr-Mo)
Size
Other, 27mm (Metric)
Type
Other, Offset Striking Ring Wrench
Surface Treatment
Other, Rust Proof (Black Oxide / Phosphate)
Application
Heavy Machinery Maintenance
Design
Offset striking face for confined spaces
Hardness
HRC 38-42 (typical)
Packaging
Individual or bulk packaging available
As a professional manufacturer with over 20 years of experience in industrial tools, Cangzhou Dean Safety&Special Tools Co., Ltd. proudly presents our Offset Striking Ring Wrench – specifically engineered for heavy machinery maintenance. Crafted from premium Cr-Mo steel and treated with a rust-proof finish, this 27mm metric wrench delivers exceptional durability and reliability in demanding environments. Our annual export value exceeding US$100 million and global market coverage (North America, Europe, Asia, Africa, etc.) testify to the trust placed in our products by clients worldwide.
This wrench combines the strength of a striking ring design with an offset angle that allows access to recessed nuts and bolts in tight spaces – a common challenge in heavy equipment maintenance. Whether you work with excavators, bulldozers, or industrial machinery, this tool ensures efficient, safe bolt tightening or loosening without compromising on torque.
Below are the detailed features and specifications that make our Offset Striking Ring Wrench an indispensable addition to your toolkit.
Key Features & Benefits
- Premium Cr-Mo Steel Construction: High tensile strength and resistance to deformation under heavy impact. The alloy composition provides excellent fatigue life, ensuring the wrench withstands repeated hammer blows without cracking.
- Offset Striking Face (15° or 30° optional): The angled head allows you to strike the wrench with a hammer while maintaining clearance from surrounding components. This design is ideal for working on flanges, engine blocks, and hydraulic systems where a standard wrench cannot fit.
- Rust-Proof Surface Finish: Our proprietary coating (phosphate / black oxide) prevents corrosion even in humid or outdoor environments. This extends tool life and maintains a clean appearance.
- Precision Metric Size – 27mm: Manufactured to strict tolerance standards (ISO 1711-1 or equivalent) to ensure a snug fit on hex fasteners, reducing the risk of rounding.
- Ergonomic Handling: The smooth, rounded striking end reduces the chance of chip formation, while the knurled or textured grip (if available) enhances control.
- Customizable Options: Available in various sizes (10mm to 60mm) and offset angles. Custom markings or packaging can be arranged upon request.
Technical Specifications
| Material | Chrome Molybdenum Steel (Cr-Mo) – Alloy steel with 0.35-0.45% carbon, 0.8-1.1% chromium, 0.15-0.25% molybdenum |
| Hardness | HRC 38-42 (Rockwell C scale) |
| Torque Capacity | Designed for high torque impact – typically up to 1500 N·m (depending on size and striking force) |
| Surface Finish | Rust-proof coating – black oxide or manganese phosphate (meets ASTM A153) |
| Dimension | Overall length approx. 200-250 mm (depending on design); offset angle 15° standard |
| Weight | Approx. 0.4-0.6 kg (for 27mm) |
| Packing | Blister card, cardboard box, or polybag – customizable with logo |
Application Scenarios
- Heavy machinery maintenance: Ideal for track adjustment bolts, engine mounts, hydraulic cylinder fasteners on excavators, loaders, and cranes.
- Industrial equipment repair: Used in assembly lines, wind turbines, and mining equipment where high torque and impact are required.
- Automotive and truck service: Suitable for suspension components, differential covers, and large engine bolts.
- Shipbuilding and offshore platforms: Corrosion-resistant finish makes it suitable for marine environments.
Why Choose Cangzhou Dean Safety&Special Tools?
Since 2001, we have been a dedicated manufacturer of professional-grade tools. Our factory is located in Cangzhou, Hebei – a renowned tool production base in China. With an annual export value exceeding US$100 million, we serve clients across North America, South America, Europe, Asia, Africa, Oceania, and the Middle East. Our products are shipped from major Chinese ports like Tianjin, Shanghai, and Ningbo, ensuring fast and reliable logistics. Every wrench undergoes strict quality control, including material analysis, hardness testing, and dimensional inspection. We guarantee consistent performance and long service life.
Invest in our Offset Striking Ring Wrench for maintenance tasks that demand strength and precision. Contact us today for quotations, samples, or custom specifications. We welcome OEM/ODM orders and look forward to building a partnership that helps you maintain your heavy machinery efficiently.
Frequently Asked Questions
-
Q: What is the advantage of an offset striking ring wrench over a standard combination wrench?
A: The offset angle allows you to strike the wrench with a hammer while keeping your hand clear of obstacles. It is specifically designed for heavy-duty applications where high torque is needed, and the striking face transfers impact directly to the fastener without damaging the tool. -
Q: Is this wrench suitable for use with power impact tools?
A: This wrench is designed for manual striking with a hammer. For power impact wrenches, we recommend our impact socket range. However, the robust Cr-Mo steel construction can withstand occasional use with low-torque impact drivers, but it is not the primary intended application. -
Q: How do I prevent rust on the wrench?
A: The rust-proof finish provides excellent corrosion resistance. However, after use in wet or salty environments, we recommend wiping the tool clean and applying a light oil film to maintain the coating. -
Q: Can I get this wrench in other metric sizes or in imperial dimensions?
A: Yes, we offer a wide size range from 10mm to 60mm (metric) and corresponding inch sizes. Custom sizes can be produced based on minimum order quantities. Please consult our sales team for availability. -
Q: What is the typical offset angle? Is it comfortable to use in confined spaces?
A: Standard offset angle is 15°, but 30° is available on request. The design has been optimized to provide clearance while still allowing a direct strike path. It works well in tight engine bays or around hydraulic lines. -
Q: How do I know the tool is durable enough for daily heavy machinery maintenance?
A: Our wrenches are made from high-grade alloy steel with controlled heat treatment to achieve HRC 38-42. They undergo fatigue testing and are used by maintenance crews in industries such as mining and construction. We offer a satisfaction guarantee; contact us for detailed test reports. -
Q: Do you provide samples before bulk order?
A: Absolutely. We can send samples (cost and shipping to be arranged) for evaluation. Once the quality meets your expectations, we proceed with volume production. Lead time for bulk orders is typically 15-25 days after confirmation. -
Q: Can I have my company logo engraved on the wrench?
A: Yes, we offer custom marking (laser engraving or stamping) for OEM orders. Please provide your logo artwork and specify placement.
Send Inquiry to This Supplier
Ms. Jesse
Foreign Trade Manager
1Yr
Cangzhou, Hebei, China
1Yr
Business Type
Manufacturer
Year Established
2001
Annual Export Value
Above US$100 Million
Port of Shipment
tianjin, shanghai, ningbo
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