Professional 5/16" 12-Point SAE T-Handle Ratcheting Box Wrench with chrome finish, military-spec compliance, and precision spline design for high-torque fastening applications.
The Snap-on 5/16" 12-Point SAE T-Handle Ratcheting Box Wrench (Model RTB10) is a professional-grade tool designed for high-performance fastening applications. This precision wrench features a 12-point spline design that engages fastener teeth over a wider area, distributing stress more effectively and enabling the application of higher torque while minimizing the risk of damage to both the fastener and the tool itself. Engineered specifically to service high-tensile strength spline nuts and bolts, this wrench represents the pinnacle of Snap-on's commitment to quality and durability in professional tool manufacturing.
Constructed with chrome plating for superior rust resistance, this T-Handle ratcheting box wrench complies with Military Specification MS-33787 and MIL-W-8997, ensuring it meets the most stringent military and industrial standards. The convenient T-handle design provides optimal ergonomic control and leverage, making it ideal for technicians and maintenance professionals working in demanding environments. With its 12-3/32" handle length and 2-13/16" ratchet length, this tool offers the perfect balance of reach and maneuverability for accessing fasteners in tight spaces.
The RTB10 is an essential addition to any professional toolbox, particularly for aviation, aerospace, military, defense, oil and gas, power generation, railroad, and general industrial applications. Whether you're performing routine maintenance or tackling complex assembly operations, this Snap-on ratcheting box wrench delivers the precision, reliability, and performance that professionals demand.
Key Features
- 12-Point Spline Design - Engages fastener teeth over wider area for reduced stress and higher torque application
- Chrome Plating - Provides superior rust resistance and durability in harsh industrial environments
- Military Spec Compliant - Meets MS-33787 and MIL-W-8997 standards for aerospace and defense applications
- T-Handle Configuration - Ergonomic design offers optimal control, leverage, and maneuverability
- Precision Engineering - Snap-on quality construction minimizes risk of fastener or tool damage
- Ratcheting Mechanism - Enables efficient fastening and unfastening without tool removal
- SAE Standard - Compatible with standard American fastener sizes and specifications
Technical Specifications
| Specification |
Value |
| Model Number | RTB10 |
| Size | 5/16 inches |
| Style | 12-Point |
| Fastener Type | SAE (Society of Automotive Engineers) |
| Wrench Type | T-Handle Ratcheting Box Wrench |
| Dimension A - Outside Diameter | 11/16 inches |
| Dimension B - Ratchet Length | 2-13/16 inches |
| Dimension C - Handle Length | 12-3/32 inches |
| Dimension D - Depth | 3/8 inches |
| Material | Chrome-plated steel |
| Finish | Chrome for rust resistance |
| Military Compliance | MS-33787 and MIL-W-8997 |
| Application | High-tensile strength spline nuts and bolts |
| Manufacturer | Snap-on Incorporated |
| Warranty | Snap-on Lifetime Warranty |
