Professional 5/8-11/16 inch double-end flare nut wrench with Flank Drive® system providing 15-20% more turning power, heat-treated alloy steel construction, nickel-chrome plating, and ASME B107.100 compliance for precision fastening applications.
The Snap-on 5/8–11/16" 6-Point SAE Flank Drive® Double End Flare Nut Wrench (Model RXFS2022B) is a professional-grade precision tool engineered for demanding automotive, aerospace, and industrial applications. Manufactured from special alloy steel and heat-treated for optimum strength and durability, this wrench delivers superior performance in high-torque fastening operations. The innovative Flank Drive® system grips the fastener flats and provides up to 15–20% more turning power compared to traditional wrenches, reducing fastener damage and improving work efficiency.
Features a continuous arc design that distributes stress over the entire wrench opening radius for greater strength and longevity. The wrench is finished with tough, durable nickel-chrome plating that produces a mirror-like finish, helping protect against corrosion while making maintenance and cleaning effortless. With an overall length of 7-3/4 inches and carefully sized dimensions for optimum comfort and balance, this double-end flare nut wrench is ideal for professionals who demand reliability and precision. Compliant with ASME® B107.100 standards, this tool is built to meet the rigorous demands of professional mechanics, technicians, and maintenance specialists across various industries.
Key Features
- Flank Drive® system provides up to 15-20% more turning power than conventional wrenches
- Manufactured from special alloy steel and heat-treated for maximum strength and durability
- Continuous arc design distributes stress over entire wrench opening radius for enhanced strength
- Nickel-chrome plating provides corrosion resistance and mirror-like finish for easy cleaning
- Double-end design with 5/8 and 11/16 inch sizes for versatile fastening applications
- Optimally sized and balanced for professional comfort and precision work
- ASME® B107.100 compliant for professional-grade quality assurance
- 6-Point SAE configuration reduces fastener damage and slippage
Technical Specifications
| Specification |
Value |
| Product Model | RXFS2022B |
| Size Range | 5/8–11/16 inches |
| Point Configuration | 6-Point SAE |
| Overall Length | 7-3/4 inches |
| Outside Diameter (Dimension A-B) | 1-3/32–1-5/32 inches |
| Head Depth (Dimension C-D) | 7/16–15/32 inches |
| Material | Special alloy steel, heat-treated |
| Finish | Nickel-chrome plating |
| Design Type | Double-end flare nut wrench |
| Wrench Technology | Flank Drive® system |
| Performance Advantage | 15-20% more turning power |
| Standards Compliance | ASME® B107.100 |
| Application | Flare nut fastening, automotive, aerospace, industrial maintenance |
| Stress Distribution | Continuous arc design |
| Corrosion Protection | Nickel-chrome plating with mirror-like finish |
