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The PROTO J6916HF is a 1/4 inch drive, 1/2 inch impact socket built for professional use in demanding service environments. Constructed from alloy steel, it features a 6-point hex drive geometry that maximizes contact with fastener flats and reduces rounding under high-torque impact conditions. A built-in magnetic retention feature helps secure fasteners during placement, reducing drop risk in tight quarters. The overall length is 1 inch, making it a compact option suited to confined spaces. Licensed trade professionals and industrial mechanics rely on this socket for consistent performance with 1/4 inch drive impact tools.
The J6916HF is suited for mechanical, maintenance, and assembly applications where a 1/2 inch hex fastener must be driven with an impact tool using a 1/4 inch drive. Its compact 1 inch overall length makes it particularly useful in restricted-access areas where a standard-length socket would not clear surrounding components. The magnetic style assists with single-hand fastener positioning during installs and removals. This socket is a practical fit for HVAC equipment service, electrical panel work, and general mechanical maintenance tasks requiring precise fastener engagement.
Designed for use with 1/4 inch drive impact tools and ratchets. Fits 1/2 inch hex-head fasteners in 6-point engagement applications.
Install and remove with a 1/4 inch drive impact driver or hand ratchet rated for the torque requirements of the fastener application. Ensure the socket is fully seated on the drive before applying torque to prevent slippage or tool damage. Power down or de-energize any equipment before performing fastener service on electrical or mechanical assemblies. Inspect the socket for cracks or wear before each use and remove from service if damage is found.
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