Professional Snap-on 9/16–5/8" 12-Point SAE Flank Drive® S-Shaped Box Wrench with 15–20% more turning power, high-strength alloy steel construction, nickel-chrome finish, and exceptional access in confined spaces.
The Snap-on 9/16–5/8" 12-Point SAE Flank Drive® S-Shaped Box Wrench (Model SBX1820) is a professional-grade hand tool designed for heavy-duty fastening applications. This versatile wrench features the innovative Flank Drive® wrenching system that grips the fastener flats directly, delivering up to 15–20% more turning power compared to traditional wrenches. The S-shaped design allows for exceptional access in confined spaces and tight work areas, making it ideal for automotive, aerospace, and industrial maintenance tasks.
Constructed from high-strength alloy steel, this wrench provides superior durability and longer tool life even under demanding conditions. The 12-point configuration offers flexibility in fastener engagement, while the nickel-chrome finish delivers excellent corrosion resistance and maintains a professional appearance with minimal maintenance. The wrench measures 6-7/8 inches in length with a head depth of 11/32 inches, providing optimal balance between reach and maneuverability.
Meeting ASME® B107.100 standards, this Snap-on wrench is engineered for professionals who demand reliability and performance. Whether you're working in aviation, aerospace, military applications, or general industrial maintenance, this S-shaped box wrench delivers consistent results and exceptional value for your tool investment.
Key Features
- Flank Drive® wrenching system grips fastener flats for up to 15–20% more turning power
- High-strength alloy steel construction ensures superior durability and extended tool life
- S-shaped design provides exceptional access in confined spaces and tight work areas
- 12-point configuration offers flexibility in fastener engagement
- Nickel-chrome finish provides excellent corrosion resistance and professional appearance
- ASME® B107.100 certified for professional-grade reliability
- Optimal 6-7/8 inch length with 11/32 inch head depth for balanced maneuverability
- Versatile for automotive, aerospace, military, and industrial maintenance applications
Technical Specifications
| Specification |
Value |
| Product SKU | SBX1820 |
| Size | 9/16–5/8 inches |
| Style | 12-Point S-Shaped Box Wrench |
| Length | 6-7/8 inches |
| Head Depth | 11/32 inches |
| Outside Diameter | 27/32–15/16 inches |
| Material | High-strength alloy steel |
| Finish | Nickel-chrome |
| Drive System | Flank Drive® wrenching system |
| Turning Power Advantage | Up to 15–20% more than traditional wrenches |
| Standard Compliance | ASME® B107.100 |
| Applications | Automotive, Aerospace, Military, Industrial Maintenance, Heavy Duty |
| List Price | $71.25 |
