Description

Professional-grade 1/4" Drive 1/4" SAE Torque Adaptor with double hex design for restricted space access. Precision forged alloy steel construction with heat treatment for maximum durability and strength.

The Snap-on 1/4" Drive 1/4" SAE Torque Adaptor (Model TRDHL81) is a precision-engineered tool designed for professional mechanics and technicians working in aviation, aerospace, and general industrial applications. This specialized adaptor is manufactured from premium special alloy steel and undergoes precision forging and heat treatment to ensure optimum strength and durability under demanding working conditions. The adaptor features a double hex (12-point) design that allows sockets to engage single hex fasteners every 30 degrees rather than every 60 degrees, providing superior access in restricted and confined spaces where standard tools cannot reach. The TRDHL81 torque adaptor is engineered with center-to-center length dimensions optimized for accurate torque calculations and precise fastening operations. The design incorporates radius edges throughout the tool to resist damage, nicks, and wear during intensive use. With a 1/4" drive size and 1/4" SAE size, this adaptor is compatible with standard 1/4" drive sockets and is ideal for applications requiring precise torque control in tight working areas. The tool meets professional-grade standards and is backed by Snap-on's reputation for quality and reliability. This torque adaptor is an essential addition to any professional tool collection, particularly for aviation technicians, aerospace mechanics, and industrial maintenance professionals. The precision construction ensures consistent performance across thousands of fastening operations, making it a cost-effective long-term investment for any workshop or maintenance facility.

Key Features

Double hex (12-point) design allows socket engagement every 30 degrees for superior restricted space access
Manufactured from premium special alloy steel for exceptional strength and durability
Precision forged and heat-treated for optimum performance under demanding conditions
Radius edges resist damage, nicks, and wear during intensive professional use
Center-to-center length optimized for accurate torque calculations and precise fastening operations

Technical Specifications

Specification	Value
Model Number	TRDHL81
Drive Size	1/4 inch
Socket Size	1/4 inch SAE
Material	Special alloy steel, precision forged and heat-treated
Design Type	Double hex (12-point)
Dimension A	13/32 inches (10.32 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 for damage resistance
Application	Aviation, aerospace, and general industrial fastening
List Price	$33.25
Manufacturer	Snap-on Incorporated
Availability	Special order - estimated in stock 06/01/2026

Snap-on 1/4" Drive 1/4" SAE Torque Adaptor | TRDHL81

Share
- WhatsApp
- Deel
- X
- Pin it
- Messenger
- Email

SKU: TRDHL81

Description

Professional-grade 1/4" Drive 1/4" SAE Torque Adaptor with double hex design for restricted space access. Precision forged alloy steel construction with heat treatment for maximum durability and strength.

The Snap-on 1/4" Drive 1/4" SAE Torque Adaptor (Model TRDHL81) is a precision-engineered tool designed for professional mechanics and technicians working in aviation, aerospace, and general industrial applications. This specialized adaptor is manufactured from premium special alloy steel and undergoes precision forging and heat treatment to ensure optimum strength and durability under demanding working conditions. The adaptor features a double hex (12-point) design that allows sockets to engage single hex fasteners every 30 degrees rather than every 60 degrees, providing superior access in restricted and confined spaces where standard tools cannot reach. The TRDHL81 torque adaptor is engineered with center-to-center length dimensions optimized for accurate torque calculations and precise fastening operations. The design incorporates radius edges throughout the tool to resist damage, nicks, and wear during intensive use. With a 1/4" drive size and 1/4" SAE size, this adaptor is compatible with standard 1/4" drive sockets and is ideal for applications requiring precise torque control in tight working areas. The tool meets professional-grade standards and is backed by Snap-on's reputation for quality and reliability. This torque adaptor is an essential addition to any professional tool collection, particularly for aviation technicians, aerospace mechanics, and industrial maintenance professionals. The precision construction ensures consistent performance across thousands of fastening operations, making it a cost-effective long-term investment for any workshop or maintenance facility.

Key Features

Double hex (12-point) design allows socket engagement every 30 degrees for superior restricted space access
Manufactured from premium special alloy steel for exceptional strength and durability
Precision forged and heat-treated for optimum performance under demanding conditions
Radius edges resist damage, nicks, and wear during intensive professional use
Center-to-center length optimized for accurate torque calculations and precise fastening operations

Technical Specifications

Specification	Value
Model Number	TRDHL81
Drive Size	1/4 inch
Socket Size	1/4 inch SAE
Material	Special alloy steel, precision forged and heat-treated
Design Type	Double hex (12-point)
Dimension A	13/32 inches (10.32 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 for damage resistance
Application	Aviation, aerospace, and general industrial fastening
List Price	$33.25
Manufacturer	Snap-on Incorporated
Availability	Special order - estimated in stock 06/01/2026