Professional 1/2" drive 12-point torque adaptor with 5,600 in-lb capacity, precision-forged alloy steel construction, chrome finish, ideal for aviation, aerospace, and heavy-duty maintenance applications with superior access in restricted areas.
The Snap-on 1/2" Drive 12-Point SAE 1-3/8" Standard Torque Adaptor (Model SRDH441) is a precision-engineered tool designed for professional aviation, aerospace, and heavy-duty maintenance applications. Manufactured from special alloy steel and precision forged with heat treatment, this torque adaptor delivers optimum strength and durability for demanding work environments. The 12-point double hex configuration enables socket engagement with single hex fasteners every 30 degrees rather than every 60 degrees, providing superior access in restricted areas where standard tools cannot reach. This innovative design significantly improves efficiency and reduces potential damage to fasteners.
With a working torque capacity of 5,600 in-lb, this adaptor is built for heavy-duty applications across aviation, aerospace, military, defense, oil and gas, power generation, railroads, and general industrial sectors. The chrome finish provides excellent corrosion resistance and professional appearance. The radius edges are specifically designed to resist damage and nicks during use, extending tool life and maintaining precision. The center-to-center length marking facilitates easy and accurate torque calculations, making this tool indispensable for professionals who require precision and reliability in their work.
Snap-on's commitment to quality and precision makes the SRDH441 the preferred choice for professionals in critical industries. Whether you're working on aircraft maintenance, aerospace assembly, military equipment, or heavy industrial machinery, this torque adaptor delivers the performance and durability you demand. The larger size features thicker construction for exceptional strength, ensuring reliable performance even under the most demanding conditions.
Key Features
- 12-point double hex configuration for 30-degree socket engagement versus standard 60-degree, enabling superior access in restricted areas
- Precision-forged from special alloy steel with heat treatment for optimum strength and durability
- Working torque capacity of 5,600 in-lb suitable for heavy-duty professional applications
- Chrome finish provides excellent corrosion resistance and professional appearance
- Radius edges resist damage and nicks, extending tool life and maintaining precision
- Center-to-center length marking facilitates easy and accurate torque calculations
- Larger size features thicker construction for exceptional strength and reliability
- Designed for aviation, aerospace, military, defense, oil and gas, and industrial applications
Technical Specifications
| Specification |
Value |
| SKU/Model Number | SRDH441 |
| Drive Size | 1/2 inch |
| Socket Configuration | 12-Point Double Hex |
| Size | 1-3/8 inches |
| Working Torque | 5,600 in-lb |
| Dimension A (Head Diameter, Wrench End) | 2.00 inches |
| Dimension B (Head Diameter, Square End) | 1.040 inches |
| Dimension C (Head Depth, Wrench End) | 19/32 inches |
| Dimension D (Head Depth, Square End) | 19/32 inches |
| Dimension E (Length, Center to Center) | 3 inches |
| Material | Special Alloy Steel |
| Finish | Chrome |
| Style | 12-Point |
| Construction | Precision Forged and Heat-Treated |
| List Price | $75.75 |
