Proto J47100 Deep Socket Set 10 Pc 1/4 in Drive

Product Description

The PROTO J47100 is a 10-piece deep socket set built for 1/4 inch drive tools. The set covers inch sizes from 3/16 inch through 9/16 inch and uses a 12-point design throughout. Deep sockets reach fasteners that standard-depth sockets cannot access, including recessed bolts, studs, and threaded rod applications. This set is appropriate for HVAC service, light mechanical, and electrical panel work where compact 1/4 inch drive tools are the right choice. The 12-point geometry accepts both hex and 12-point fasteners and allows engagement at tighter angles in confined spaces. Licensed tradespeople and experienced service techs keep this size range on hand for small-fastener work across multiple trades.

This set fits residential and light commercial service applications where 1/4 inch drive is the preferred tool platform. Deep socket geometry makes it useful for spark plug access, sensor removal, and fasteners with long shanks or threads. The included socket rail keeps all ten pieces organized and accounted for during service calls. Trades that regularly work in tight enclosures, including HVAC technicians, electricians, and plumbers, will find this range covers the most common small-fastener sizes encountered in the field.

Key Features

• 10-piece set covering 3/16 inch to 9/16 inch in inch sizes
• 1/4 inch drive compatible with standard 1/4 inch ratchets, extensions, and flex handles
• 12-point socket geometry for use on hex and 12-point fasteners
• Deep socket length for recessed fasteners, studs, and threaded rod
• Includes one socket rail for organized storage and transport
• Inch measurement system sized for standard SAE fasteners

Compatibility

Designed for use with standard 1/4 inch drive ratchets, extensions, and torque tools using SAE inch fasteners in the 3/16 inch to 9/16 inch range.

Installation Notes

A licensed or qualified technician should select the correct socket size before applying torque to avoid rounding fastener heads. Ensure the socket is fully seated on the fastener before use. When working near live electrical components, power down the circuit and follow NEC lockout and tagout procedures before loosening or tightening hardware. Inspect sockets for cracks or wear before each use and remove any damaged sockets from service.