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Help CenterOffset Striking Ring Wrench for Oil & Gas Pipeline Assembly, Metric 24-55mm, Drop Forged, Anti-Slip
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Since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd. has been a dedicated manufacturer of high-quality industrial tools, exporting over US$100 million annually to markets across North America, South America, Europe, Africa, Oceania, the Middle East, and Asia. Our Offset Striking Ring Wrench (Metric 24-55mm) is engineered specifically for demanding oil and gas pipeline assembly applications. Combining a forged alloy steel body, an anti-slip surface, and an offset head design, this wrench delivers the torque, safety, and precision required in high-stakes environments.
Designed to withstand repeated hammer strikes, this wrench features a drop-forged, heat-treated structure that ensures long-term durability even under extreme loads. The offset head provides excellent clearance in tight spaces, while the anti-slip knurled grip and black oxide finish reduce the risk of hand slippage. From flange bolt tightening to pipe joint assembly, this tool is built to perform reliably in the harshest field conditions.
Key Features & Technical Specifications
- Drop Forged Alloy Steel Construction: The wrench is formed through a precision drop-forging process, eliminating internal voids and ensuring uniform grain flow. This results in a tool that can withstand repeated hammer impacts without deformation or cracking.
- Offset Design (15° or 30° optional): The angled head allows the user to access recessed or obstructed nuts and bolts commonly found in pipeline flanges, valve assemblies, and manifold connections.
- Integral Striking Face: A reinforced ring at the opposite end of the jaw is designed for direct hammer strikes, enabling the application of high torque while protecting the wrench body from damage.
- Metric Range 24-55mm: Available in individual sizes or as a complete set covering the most common metric fasteners used in oil and gas piping (e.g., 24, 27, 30, 32, 34, 36, 38, 41, 46, 50, 55 mm).
- Anti-Slip Surface Treatment: A black oxide coating is applied, providing corrosion resistance and a non-reflective finish. The handle area features a knurled or serrated pattern that enhances grip even with oily or gloved hands.
- Accurate Sizing: Each wrench is machined to tight tolerances (typically ±0.5 mm) to ensure a precise fit on hexagonal fasteners, minimizing the risk of rounding bolt heads.
- Customization Options: We offer custom laser etching for branding, special size ranges outside 24-55mm, and alternative surface finishes such as phosphate or zinc plating upon request.
| Parameter | Value |
|---|---|
| Size Range | 24 – 55 mm (Metric) |
| Material | Drop Forged Alloy Steel (AISI 4140 or equivalent) |
| Hardness (HRC) | 40 – 48 HRC (heat treated & tempered) |
| Finish | Black Oxide (anti-slip knurled pattern on handle) |
| Weight (per piece) | Approx. 0.5 – 2.5 kg depending on size |
| Packaging | Individual plastic sleeve or in tool roll; custom box available |
| Applicable Standards | Manufactured in accordance with general industrial tool norms (ASME B107.110, DIN 7444 reference) |
| Offset Angle | 15° (standard); 30° available on request |
Specific advantages for oil & gas pipeline assembly: The offset design allows the user to work around flange bolts that are close to pipes or other obstacles. The striking face is integral to the ring, meaning there is no separate sledgehammer adapter needed—simply strike the ring directly with a heavy hammer to break loose stubborn fasteners. The anti-slip coating prevents the wrench from flying off during strikes, a critical safety feature when working at heights or in confined spaces. Each wrench is individually inspected for hardness and dimensional accuracy before shipment.
In addition to standard sizes, we can produce non-standard metric dimensions (e.g., 28 mm, 33 mm) for specialized pipeline equipment. The drop-forged body is designed to absorb impact without fracturing—field tests show that these wrenches can handle torque loads exceeding 2,000 N·m when used with a 10 lb hammer. For extended life, the black oxide coating resists rust from moisture and chemicals common in oilfields.
Trust & Reliability – Why Choose Cangzhou Dean
As a manufacturer with over two decades of experience, we understand the critical role that reliable tools play in pipeline construction and maintenance. Our factory in Cangzhou, Hebei, operates with strict quality control processes, from raw material inspection to final product testing. With an annual export value exceeding US$100 million, we have built long-term partnerships with distributors and end-users in more than 30 countries. Our port flexibility (Tianjin, Shanghai, Ningbo) ensures efficient logistics for global shipments.
We stand behind every wrench we produce. If you require a custom offset angle, special length, or custom packaging, our engineering team can accommodate your specifications. Bulk orders receive priority production scheduling and volume discounts. Contact us today to request a quote or sample—our sales engineers will respond within 24 hours.
Ready to upgrade your pipeline tool kit? The Offset Striking Ring Wrench from Cangzhou Dean is the safest, most durable solution for high-torque fastening in oil and gas environments. Place your order now and experience the difference of professional-grade, drop-forged tools.
Frequently Asked Questions (FAQ)
-
What sizes are available in this Offset Striking Ring Wrench?
We offer metric sizes from 24 mm to 55 mm, including common increments (24, 27, 30, 32, 34, 36, 38, 41, 46, 50, 55 mm). Other sizes (e.g., 28 mm, 33 mm) are available upon request. -
Is the wrench suitable for use with an impact hammer or sledgehammer?
Yes. The striking face is designed to be hit directly with a heavy hammer (typically 4–10 lb). The drop-forged steel construction can withstand repeated impacts without deformation. -
Does the anti-slip coating wear off quickly?
The black oxide finish is durable and provides corrosion resistance. The knurled texture on the handle is mechanically formed, so it does not peel or flake. Proper care (light oil wipe after use) will extend its lifespan. -
Can I get custom branding or logos on the wrench?
Yes. We offer laser etching or stamping of company logos, part numbers, or other markings. Custom packaging (e.g., foam insert, blow-molded case) is also available. -
Is this wrench suitable for other industries besides oil & gas?
Absolutely. It is also widely used in petrochemical, power generation, mining, shipbuilding, and any heavy equipment assembly where high-torque bolting is required. -
What is the typical lead time for an order?
For standard sizes in stock, lead time is 7–15 days. For custom sizes or large quantities, lead time is typically 20–35 days depending on order volume. -
Do you provide a quality assurance certificate?
We provide a material test certificate and dimensional inspection report per request. Our tools are manufactured under a strict QC system; however, specific third-party certifications (e.g., API, CE) are not standard but can be arranged at extra cost if needed. -
What payment terms do you accept?
Common terms include T/T (30% deposit, 70% before shipment) and L/C at sight. For long-term clients, open account terms may be discussed.
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