Durum 1/4 Hex to 1/2 Drive Socket Adaptor Bit

The Durum 1/4 inch hex to 1/2 inch drive socket adaptor bit lets you run 1/2 inch sockets from an impact driver or drill driver. It is the largest of the Durum adaptor range and is built for industrial and trade applications, with the strength to handle the high torque modern impact drivers deliver. A spring loaded ball holds the socket firmly on the adaptor, and the longer 72mm body gives a little extra reach.

Key Features

• Spring loaded ball keeps sockets firmly affixed during applications
• Developed to handle the high torque output of modern impact drivers
• Built for industrial and trade applications
• 1/4 inch hex shank with a power groove for a secure grip in the chuck
• 1/2 inch socket drive suits standard 1/2 inch sockets
• Made to last longer than similar adaptors under high torque

Specifications

• Shank: 1/4 inch hex with power groove
• Drive size: 1/2 inch socket
• Length: 72mm (3 inch)
• Socket retention: spring loaded ball
• Compatibility: impact drivers, drill drivers, 1/2 inch sockets

Applications

• Running 1/2 inch sockets from an impact driver
• Fastening and unfastening larger nuts and bolts
• Trade and industrial assembly and maintenance
• Automotive, plant and workshop work

What You Need To Complete The Job

Cover the full socket range with the 1/4 inch and 3/8 inch Durum adaptors alongside this 1/2 inch model. Add a Quickbit extension bar for deep fasteners. Browse the full General Hand Tools range for more driving accessories.

Frequently Asked Questions

When do I need a 1/2 inch drive adaptor?

1/2 inch drive sockets are the larger common size used for wheel nuts, suspension bolts, industrial fixings and heavier fastening work. This adaptor lets you drive those sockets with an impact driver, so you can handle the bigger jobs without a separate 1/2 inch impact wrench.

Will a 1/4 inch hex shank cope with 1/2 inch drive work?

The Durum adaptor is built specifically for the high torque output of impact drivers, and the power groove shank helps the chuck grip it firmly. It is designed for this duty, but always match the tool to the job and use the right socket and fastener size rather than overloading any adaptor.

Why is this adaptor longer than the others?

The 1/2 inch drive adaptor is 72mm long, compared to the 65mm 1/4 and 3/8 inch versions. The longer body gives a little extra reach and a better grip surface for the larger socket sizes it is built to drive.

Why does the 1/2 inch adaptor need a longer body?

A 1/2 inch drive socket is a larger, heavier accessory, and the longer 72mm body on this adaptor gives the socket a deeper seat and a more secure grip surface. It also adds a little reach, which helps when you are driving larger nuts and bolts in recessed positions.