Professional 5/16-3/8" 12-Point SAE Flank Drive® 60° Deep Offset Box Wrench with chrome finish, designed for improved access to recessed fasteners. ASME®/ANSI® B107.6 certified for superior strength and turning power.
The Snap-on 5/16-3/8" 12-Point SAE Flank Drive® 60° Deep Offset Box Wrench (Model XO1012) is a professional-grade hand tool engineered for superior performance in demanding maintenance and repair applications. This wrench features a deeply offset head at 60 degrees to the handle, providing exceptional access to recessed and hard-to-reach fasteners commonly found in automotive, aerospace, and industrial equipment. The 12-Point Flank Drive® configuration delivers enhanced strength and superior turning power, reducing the risk of fastener stripping and rounding while ensuring reliable operation in high-torque situations.
Crafted with precision engineering and manufactured to ASME®/ANSI® B107.6 standards, this offset box wrench combines durability with functionality. The chrome finish provides corrosion resistance and a professional appearance, while the carefully engineered head geometry ensures optimal contact with fasteners. With a head depth of 9/32 inches and an outside diameter of 15/32–9/16 inches, this wrench is designed to handle the 5/16-3/8 inch fastener size range with precision and control. The 7-inch overall length provides excellent leverage and control for various applications.
Ideal for professional technicians, fleet maintenance facilities, and industrial maintenance operations, the XO1012 is part of Snap-on's comprehensive line of specialty wrenches. Whether working on aircraft, automotive engines, or industrial machinery, this deep offset box wrench delivers the reliability and performance that professionals depend on. The Flank Drive® technology minimizes wear on fasteners while maximizing tool longevity, making it an essential addition to any professional tool collection.
Key Features
- 60° Deep Offset Design - Provides exceptional access to recessed and hard-to-reach fasteners
- 12-Point Flank Drive® Configuration - Delivers enhanced strength and superior turning power with reduced fastener stripping
- Chrome Finish - Offers corrosion resistance and professional appearance
- ASME®/ANSI® B107.6 Certified - Meets rigorous professional standards for quality and performance
- Precision Engineering - Engineered for optimal fastener contact and reliable operation in high-torque applications
Technical Specifications
| Specification |
Value |
| Model Number | XO1012 |
| Size Range | 5/16-3/8 inches |
| Style | 12-Point Flank Drive® |
| Offset Angle | 60° Deep Offset |
| Overall Length | 7 inches |
| Head Depth | 9/32 inches |
| Outside Diameter | 15/32–9/16 inches |
| Finish | Chrome |
| Standards Certification | ASME®/ANSI® B107.6 |
| Material | High-strength alloy steel |
