Professional 9/16-5/8" SAE Flank Drive offset box wrench with 12-point configuration, 10° offset handle for superior knuckle clearance, and nickel-chrome finish for corrosion protection.
The Snap-on 9/16–5/8" 12-Point SAE Flank Drive® 10° Offset Box Wrench (Model XB1820A) is a professional-grade hand tool engineered for demanding industrial applications. This premium wrench features the revolutionary Flank Drive® wrenching system, which delivers up to 15-20% more turning power compared to conventional wrenches while significantly reducing the risk of tool or fastener damage. The tool is specifically designed with a 10° offset handle that maximizes knuckle clearance and provides superior access in confined spaces, making it ideal for automotive, aerospace, and general maintenance work.
Crafted with precision engineering, this wrench features tough, durable nickel-chrome plating that produces a mirror-like finish, effectively protecting against corrosion while maintaining easy cleaning and maintenance. The extended handle length is carefully sized for optimum comfort and balance in your hand, providing increased leverage especially in tight working spaces. With its 12-point configuration and SAE sizing, this wrench is compatible with a wide range of fasteners commonly used in professional settings.
This Snap-on tool meets ASME® B107.100 standards and is backed by the company's reputation for quality and reliability. Whether you're working on aircraft engines, automotive systems, or industrial equipment, the XB1820A delivers the performance and durability professionals demand. The offset box wrench design eliminates the need for multiple tools, making it an essential addition to any professional tool collection.
Key Features
- Flank Drive® wrenching system provides 15-20% more turning power with reduced fastener damage risk
- 10° offset handle design maximizes knuckle clearance and improves access in confined spaces
- 12-point SAE configuration for versatile fastener compatibility
- Durable nickel-chrome plating with mirror-like finish resists corrosion and simplifies cleaning
- Extended handle length optimizes comfort, balance, and leverage for professional use
Technical Specifications
| Specification |
Value |
| Model Number | XB1820A |
| Size Range | 9/16–5/8 inches |
| Point Configuration | 12-Point |
| Standard | SAE (Society of Automotive Engineers) |
| Offset Angle | 10 degrees |
| Overall Length | 9-13/32 inches |
| Outside Diameter (Dimension A) | 13/16–29/32 inches |
| Head Depth (Dimension C) | 13/32–7/16 inches |
| Finish | Chrome (Nickel-Chrome Plating) |
| Compliance | ASME® B107.100 |
| Tool Type | Flank Drive® Offset Box Wrench |
| Handle Style | Standard Handle with 10° Offset |
