Professional Snap-on 1/2" Drive SAE #26 Spline Torque Adaptor with 4,400 in-lb capacity, chrome finish, military-spec compliance, and precision spline wrenching technology for aerospace and defense applications.
The Snap-on 1/2" Drive SAE #26, 13/16" Hex Spline Torque Adaptor (Model SRES26) is a professional-grade tool specifically engineered for servicing high-tensile strength spline nuts and bolts commonly found on military and commercial aircraft. This precision instrument features advanced spline wrenching technology that engages fastener teeth over a wider surface area, effectively minimizing stress concentration and enabling the application of high torque loads while reducing the risk of fastener or tool damage.
Designed to meet Military Specification MS-33787 and MIL-W-89823 standards, this chrome-finished adaptor delivers exceptional durability and corrosion resistance in demanding aerospace and defense environments. The tool features a maximum recommended working torque of 4,400 in-lb, making it suitable for heavy-duty applications requiring precise torque control. The unique spline wrenching configuration provides superior performance on spline fasteners while maintaining compatibility with conventional six and 12-point fasteners, offering the same advantages as Snap-on's renowned Flank Drive® wrenching system.
With a 3-inch center-to-center length and precisely engineered head dimensions (1.16-1.04 inches diameter, 1/2-inch depth), this adaptor integrates seamlessly into professional tool collections for aviation maintenance, aerospace manufacturing, and military equipment servicing. The SRES26 represents Snap-on's commitment to quality, precision, and reliability in specialized fastening applications.
Key Features
- Precision spline wrenching technology engages fastener teeth over wider area to minimize stress
- Military Specification MS-33787 and MIL-W-89823 compliant for aerospace and defense standards
- 4,400 in-lb maximum recommended working torque for heavy-duty applications
- Chrome finish provides superior corrosion resistance and durability
- Compatible with spline, six-point, and 12-point fasteners for versatile applications
Technical Specifications
| Specification |
Value |
| Model Number | SRES26 |
| Drive Size | 1/2 inch |
| Spline Size (SAE) | #26 (13/16 inch) |
| Hex Size | 13/16 inch |
| Maximum Recommended Working Torque | 4,400 in-lb |
| Length (Center to Center) | 3 inches |
| Head Diameter (Spline and Square) | 1.16 - 1.04 inches |
| Head Depth (Spline and Square) | 1/2 - 1/2 inch |
| Finish | Chrome |
| Military Compliance | MS-33787 and MIL-W-89823 |
| Application | Aerospace, Defense, Military Aircraft Maintenance |
| Fastener Compatibility | Spline, 6-Point, and 12-Point Fasteners |