Contact Platform Support
Help CenterSingle Ring Box Wrench, Drop Forged, Standard Compliant, Mill Test Report Provided, Reliable for Mining Ship Use
Product Spotlights
Related Products
-
Non-sparking Flange Prop Standard Compliant per Anti-Static ToolingUS$ 705.6MOQ: 10 Units -
Non-sparking Flange Prop With 5% Beryllium Copper Alloy Anti-Corrosion Surface TreatmentUS$ 705.6MOQ: 10 Units
-
Non-sparking Flange Prop With Mill Test Report and 12-Month Warranty SupportUS$ 705.6MOQ: 10 Units
-
Non-sparking Flange Prop for Hazardous Area Valve Maintenance in Chemical PlantsUS$ 705.6MOQ: 10 Units
-
Custom 30mm-100mm Non-sparking Flange Prop Using Copper Alloy Rust-Proof ConstructionUS$ 705.6MOQ: 10 Units
Trusted by heavy industries worldwide, our Single Ring Box Wrench is drop forged from high-grade alloy steel to deliver exceptional torque performance and long service life. As a manufacturer with over two decades of expertise (since 2001), Cangzhou Dean Safety & Special Tools Co., Ltd ensures every wrench meets stringent quality control standards. Each tool is tested for dimensional accuracy and hardness, and a Mill Test Report is available upon request to verify material composition and mechanical properties. Designed specifically for demanding environments like mining and ship use, this wrench provides reliable fastening and loosening in tight spaces, reducing downtime and increasing safety.
Our wrenches are produced in a facility with an annual export value exceeding US$100 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. This global trust stems from our commitment to consistent quality, competitive pricing, and on-time delivery from ports such as Tianjin, Shanghai, and Ningbo. Whether you need standard metric sizes or custom imperial dimensions, we can accommodate your requirements.
Key Features & Technical Specifications
- Drop Forged Construction: The wrench head and handle are formed in one piece through precision drop forging, ensuring a dense grain structure and high fatigue resistance.
- Single Ring (Box) Design: The closed-end ring provides 360° contact with the fastener, reducing the risk of rounding and allowing higher torque application compared to open-end wrenches.
- Standard Compliance: Manufactured in accordance with recognized industry standards (e.g., ANSI, DIN, ISO), ensuring interchangeability and reliable performance.
- Mill Test Report Provided: Each batch can be supplied with a certified mill test report showing chemical composition and mechanical properties, offering full traceability.
- Rugged Surface Finish: Available in black oxide or zinc-plated finish for enhanced corrosion resistance in harsh mining and marine environments.
- Precise Size Range: Available in both metric (8mm to 55mm) and imperial (5/16" to 2") sizes, with custom sizes upon request.
- Ergonomic Handle: The handle is designed for comfortable grip, with a slightly curved profile to minimize hand fatigue during prolonged use.
Technical Parameters (Typical Values)
| Parameter | Metric Example (16mm) | Imperial Example (5/8") |
|---|---|---|
| Overall Length | ~200 mm | ~200 mm |
| Head Diameter | 24 mm | 0.94 in |
| Head Thickness | 10 mm | 0.39 in |
| Material Hardness (HRC) | 38-45 | 38-45 |
| Torque Capacity (approx.) | 100 N·m | 74 ft·lb |
| Weight (approx.) | 0.35 kg | 0.77 lb |
Advantages for Mining & Ship Applications
- High Strength & Durability: Drop forging eliminates internal voids, creating a tool that withstands repeated heavy use in abrasive environments like mines and shipyards.
- Safety in Confined Spaces: The single ring design reduces the chance of slipping, preventing injuries when working in tight engine rooms or underground tunnels.
- Corrosion Resistance: Optional zinc plating provides extra protection against salt spray and humidity, ideal for marine and offshore applications.
- Cost-Effective Maintenance: Long service life means fewer replacements, lowering total ownership costs for fleet and mining equipment operators.
- Traceability & Compliance: With Mill Test Reports, buyers can verify material quality for regulatory documentation and quality audits.
Why Choose Cangzhou Dean Safety & Special Tools?
Since our establishment in 2001, we have focused on manufacturing high-quality hand tools for professional users worldwide. Our annual export value exceeding US$100 million reflects the trust placed in us by customers across more than 50 countries. We ship from major ports including Tianjin, Shanghai, and Ningbo, ensuring efficient logistics. Every Single Ring Box Wrench is backed by our rigorous quality control system; we conduct dimensional checks, hardness tests, and torque verification before shipment. If you require special sizes, custom markings, or additional certifications, we are pleased to accommodate your needs. Contact us today for a quote or sample inspection, and experience the reliability that industry leaders rely on.
Frequently Asked Questions
-
Q: What is the difference between a single ring box wrench and a combination wrench?
A: A single ring box wrench has a closed ring on one end only, while a combination wrench has a box end on one side and an open end on the other. The single ring design is more compact and offers greater torque capacity per unit length, ideal for tight spaces where only the box end is needed. -
Q: Are these wrenches suitable for use in explosive atmospheres (e.g., mining gas environments)?
A: Our standard drop forged steel wrenches are not non-sparking. However, if you require safety in explosive environments, we can discuss custom non-sparking material options (e.g., beryllium copper) upon request. -
Q: Do you provide a Mill Test Report with every single wrench?
A: Mill Test Reports are provided per batch or per order, not per individual piece. Please specify your requirement when placing the order so we can allocate the relevant material certificates. -
Q: What sizes are available for the Single Ring Box Wrench?
A: We offer a wide range from 8mm to 55mm (metric) and 5/16" to 2" (imperial). Custom sizes are possible with a minimum order quantity. Contact our sales team for availability. -
Q: How long does delivery take?
A: For standard sizes in stock, delivery is typically 15-25 days after order confirmation. For custom sizes or large quantities, lead time may be 30-45 days. We ship from Tianjin, Shanghai, or Ningbo. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we offer sample orders for evaluation. Sample cost and shipping are at the buyer's expense, but we will deduct the sample fee from your first bulk order if you proceed within a certain period. -
Q: What standards do your wrenches comply with?
A: Our wrenches are manufactured to comply with commonly accepted international standards such as ANSI B107.1 (for impact wrenches) and/or DIN 894/895. Please confirm specific requirements with our sales team, as we can tailor to your local standards. -
Q: Is the wrench marked with size and brand?
A: Yes, each wrench is permanently marked with its size and our brand logo. Custom marking (e.g., your company name or part number) is available for OEM orders.
Send Inquiry to This Supplier
You May Also Like
-
Non-sparking Flange Prop Explosion-Proof Pipeline SupportUS$ 705.6MOQ: 10 Units
-
Non-sparking Flange Prop for Oil Refinery Tank Farm Piping Connection Safety UseUS$ 705.6MOQ: 10 Units
-
Non-sparking Flange Prop With Pressure Rating Safety ClampUS$ 705.6MOQ: 10 Units
-
Non-sparking Flange Prop Ergonomic Handle for Confined Space OperationUS$ 705.6MOQ: 10 Units
-
Aluminum Bronze Non-sparking Flange Prop Threaded Anti-Spark ToolUS$ 705.6MOQ: 10 Units
-
Spark Proof Offset Wrench ,box End Double Two Sides Ring Spanner Aluminum Bronze Beryllium Bronze Safety SparklessUS$ 2.3 - 260MOQ: 1 Unit
-
Aluminum Bronze Double Open End Wrench Sparkless Copper Alloy Forged Type High QualityUS$ 2.3 - 260MOQ: 1 Unit
-
Sparkless Non Magnetic Beryllium Bronze Adjustable Wrench 4" 100mm,max 13mm,US$ 12 - 360MOQ: 10 Pieces
-
Non Sparking Pipe Wrench Beryllium Bronze Stilson,tube Spanner American TypeUS$ 15 - 360MOQ: 10 Pieces
-
Non Sparking Oblique Pipe Wrench Aluminum Bronze 8" OEMUS$ 20 - 120MOQ: 10 Pieces
