Proto J74201 Deep Impact Socket Set 10 Pc 1/2 in Drive

Product Description

The PROTO J74201 is a 10-piece deep impact socket set built for heavy-duty fastener work on HVAC equipment, plumbing rough-in, electrical panel installation, and general mechanical service. The set uses a 1/2 inch drive and covers sizes from 1/2 inch to 13/16 inch in both inch and metric, giving technicians a single organized set for mixed-fastener jobs. All sockets are 6-point, which grips fastener flats more securely than 12-point designs and reduces rounding under high torque impact loads. Construction is steel throughout. A lifetime warranty backs the full set.

This set is suited for residential and light commercial trade work where a mix of inch and metric fasteners is common. Typical applications include equipment mounting hardware, unit disconnects, electrical enclosures, condensing unit bases, and pipe hangers. The dual inch and metric sizing makes it practical for newer imported equipment alongside legacy domestic units. The deep socket profile clears studs, long bolts, and exposed threads that standard-depth sockets cannot reach.

Key Features

• 10-piece set covers 1/2 inch to 13/16 inch in both inch and metric sizes
• 1/2 inch drive compatible with standard impact wrenches and ratchets
• 6-point socket design reduces fastener rounding under impact torque
• Deep profile clears studs and long bolt threads
• Steel construction rated for impact use
• Lifetime warranty included

Compatibility

Designed for use with 1/2 inch drive impact wrenches and ratchets. The set includes the following individual sizes: 1/2 inch, 9/16 inch, 5/8 inch, 3/4 inch, 13/16 inch, 13 mm, 16 mm, 17 mm, 19 mm, and 21 mm.

Installation Notes

Impact sockets are rated for powered impact tool use and should not be substituted with standard chrome hand-tool sockets on impact wrenches. Always confirm the drive size of the impact wrench matches the 1/2 inch drive before use. Inspect sockets for cracks or deformation before each use and remove any damaged socket from service immediately.