Professional-grade 9/16" SAE 6-point flare nut wrench with Flank Drive® technology providing 15-20% more turning power, heat-treated alloy steel construction, nickel-chrome finish, and ASME B107.100 compliance.
The Snap-on 9/16" 6-Point SAE Open-End/Flare Nut Wrench (Model RXS18B) is a professional-grade precision tool engineered for demanding automotive, industrial, and aerospace applications. Manufactured from premium special alloy steel and heat-treated to exacting standards, this wrench delivers exceptional strength and durability for reliable performance in the most challenging work environments. The innovative Flank Drive® system represents a breakthrough in wrench technology, gripping the fastener flats with superior precision while providing 15-20% more turning power compared to conventional wrenches, reducing the risk of fastener damage and operator fatigue.
Features a continuous arc design that intelligently distributes stress over the entire wrench opening radius, ensuring maximum strength and longevity even under extreme torque conditions. The wrench is finished with tough, durable nickel-chrome plating that produces a mirror-like finish, providing excellent corrosion resistance and making maintenance effortless. With dimensions of 7-13/32 inches in length and a head depth of 13/32 inches, this tool is specifically sized for optimum comfort, balance, and control during extended use. The 6-point design ensures a secure grip on fasteners while minimizing the risk of rounding.
This SAE-sized wrench meets ASME B107.100 standards and is an essential addition to any professional mechanic's toolkit, particularly for applications requiring both open-end and flare-nut functionality. Whether you're working on high-performance engines, hydraulic systems, or precision machinery, the RXS18B delivers the reliability and performance that professional technicians demand.
Key Features
- Flank Drive® system provides 15-20% more turning power than conventional wrenches
- Heat-treated special alloy steel construction for optimum strength and durability
- Continuous arc design distributes stress over entire wrench opening radius
- Nickel-chrome plating with mirror-like finish resists corrosion and simplifies cleaning
- 6-point design ensures secure grip on fasteners while minimizing rounding risk
- Sized for optimum comfort, balance, and control during extended use
- Meets ASME B107.100 standards for professional applications
- Dual functionality as both open-end and flare-nut wrench
Technical Specifications
| Specification |
Value |
| Model Number | RXS18B |
| Size | 9/16 inches |
| Style | 6-Point |
| Type | SAE Open-End/Flare Nut Wrench |
| Overall Length | 7-13/32 inches |
| Head Depth (Dimension C) | 13/32 inches |
| Head Depth (Dimension D) | 13/32 inches |
| Outside Diameter (Dimension A) | 1 inch |
| Outside Diameter (Dimension B) | 1-5/32 inches |
| Material | Special Alloy Steel, Heat-Treated |
| Finish | Nickel-Chrome Plating |
| Standard Compliance | ASME B107.100 |
| Turning Power Advantage | 15-20% more than conventional wrenches |
| List Price | $59.50 |
| Availability | In Stock |