Professional-grade 1/4" drive 7/16" SAE torque adaptor with double hex design for superior fastener engagement and restricted area access. Precision forged and heat-treated alloy steel construction with radius edges for durability.
The Snap-on 1/4" Drive 7/16" SAE Torque Adaptor (Model TRDHL141) is a precision-engineered tool designed for professional mechanics and technicians who require accurate torque calculations and reliable fastener engagement. Manufactured from special alloy steel, this adaptor is precision forged and heat-treated to deliver optimum strength and durability in demanding work environments. The double hex (12-point) design allows sockets to engage single hex fasteners every 30 degrees rather than every 60 degrees, providing superior access in restricted areas where standard tools cannot reach.
This torque adaptor features a center-to-center length marking that simplifies torque calculations, making it an essential tool for aviation, aerospace, and general industrial applications. The radius edge design resists damage and nicks, ensuring longevity and consistent performance throughout its service life. With dimensions precisely measured in both metric and imperial units, this adaptor integrates seamlessly into professional tool collections. The 1/4" drive size makes it compatible with standard quarter-inch socket sets, while the 7/16" SAE size accommodates a wide range of fasteners commonly found in automotive, aviation, and industrial maintenance applications.
Snap-on's reputation for quality and precision is evident in every aspect of this torque adaptor. It is ideal for professionals working in aviation and aerospace industries, military and defense applications, oil and gas operations, power generation facilities, railroad maintenance, and general heavy-duty fleet maintenance. This tool represents an investment in reliability and accuracy for any professional workshop or maintenance facility.
Key Features
- Double hex (12-point) design for enhanced socket engagement every 30 degrees
- Precision forged and heat-treated special alloy steel construction
- Center-to-center length marking for simplified torque calculations
- Radius edge design resists damage and nicks for extended tool life
- Compatible with 1/4" drive socket sets for versatile professional applications
- Ideal for aviation, aerospace, automotive, and industrial maintenance
- Superior access in restricted areas compared to standard 60-degree fasteners
- Snap-on quality and reliability for professional workshops
Technical Specifications
| Specification |
Value |
| Model Number | TRDHL141 |
| Drive Size | 1/4 inch |
| Fastener Size | 7/16 inch SAE |
| Material | Special alloy steel, precision forged and heat-treated |
| Design Type | Double hex (12-point) |
| Dimension A | 43/64 inches (17.1 mm) |
| Dimension B | 15/32 inches (11.91 mm) |
| Dimension C | 17/64 inches (6.75 mm) |
| Dimension D | 17/64 inches (6.75 mm) |
| Dimension E (Center-to-Center Length) | 2 inches (50.8 mm) |
| Edge Design | Radius edges to resist damage and nicks |
| Application | Aviation, aerospace, automotive, industrial, military, defense, oil and gas, power generation, railroads, fleet maintenance |
| List Price | $36.25 USD |
| Manufacturer | Snap-on Incorporated |
