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Urrea 31011 Metric Open-End Wrench (10x11mm)
The Urrea 31011 is a professional-grade metric open-end wrench designed to deliver precision torque in constrained industrial and network installation environments. Featuring optimally thin machined ends and dual opening sizes (10mm and 11mm), this wrench provides necessary access for tight pipe joints and partially obstructed fasteners.
Forged from a high-quality molybdenum-vanadium steel alloy and subjected to controlled thermal treatment, this hand tool ensures rigorous durability and wear resistance. It incorporates the patented UGS system on the open ends, which distributes rotational force across three points of the fastener. This significantly reduces stress on the edges, making the wrench highly effective even on slightly stripped or rounded nuts.
Key Features & Benefits
- Precision Access: Thin, exactingly machined ends fit seamlessly into tight clearance enclosures.
- UGS Torque Distribution: Patented system redistributes applied force to three points, preventing edge stripping on fasteners.
- Efficient Recovery: A 15° head inclination angle minimizes the required recovery angle to just 30° on 6-point bolts.
- Corrosion Resistance: Finished with a premium nickel-chrome plating over a comfortable, easy-to-grip oval handle.
- Standard Compliance: Engineered to meet and exceed ASME B107.100 tool standards.
Technical Specifications
| Manufacturer | Urrea |
| Model | 31011 |
| Opening Sizes | 10 mm x 11 mm |
| Overall Length | 5-3/4 inches |
| Material | Molybdenum-Vanadium Steel Alloy |
| Finish | Nickel-Chrome Plated |
| Head Inclination | 15° |
| Industry Standard | ASME B107.100 |
Frequently Asked Questions
Q: What is the advantage of the UGS system on this Urrea wrench?
A: The patented UGS system distributes applied torque across three points rather than relying solely on the exact corners of the nut. This reduces concentrated stress on the fastener and allows for effective turning even if the edges of the bolt are slightly stripped or worn.
Q: Is this wrench suitable for tight spaces or obstructed nuts?
A: Yes. The 31011 features uniquely thin machined ends and a 15-degree head inclination. This specific design limits the recovery angle to just 30 degrees on 6-point bolts, making it ideal for narrow areas, dense racks, or obstructed pipe joints.