Proto J4712L Deep Hand Socket 3/8 Inch 6-point

Product Description

The PROTO J4712L is a 6-point deep hand socket designed for precise fastener engagement in confined or deep-clearance applications. Built from alloy steel with a chrome finish, this socket accepts a 1/4 inch drive and is sized for 3/8 inch fasteners. The deep length profile — 2 inches overall — allows techs to reach recessed bolts and nuts that standard-length sockets cannot access. At 0.08 pounds, it is lightweight enough for extended use without fatigue. Licensed tradespeople across HVAC, plumbing, electrical, and mechanical service work rely on this type of socket for precision hand-drive work where impact tools are not appropriate.

This socket is suited for residential and light commercial service applications where a 1/4 inch drive ratchet or extension is in use. The deep configuration makes it especially useful when working around standoffs, studs, or recessed fastener heads in tight equipment enclosures, control panels, and mechanical assemblies. Its compact 0.7 inch width keeps it maneuverable in restricted spaces. It is packaged and sold as a single unit, making it practical as a replacement or addition to an existing socket set.

Key Features

• 6-point design provides full contact on fastener flats, reducing rounding risk
• Deep length at 2 inches overall reaches recessed and extended-shank fasteners
• 1/4 inch drive compatible with standard ratchets, extensions, and flex handles
• Alloy steel construction meets AS4984A and ASME B107.110-2012 standards
• Chrome finish resists corrosion and simplifies cleaning
• Compact 0.7 inch width suits work in tight enclosures and panel spaces

Compatibility

Designed as an OEM-style deep hand socket for use with standard 1/4 inch drive ratchets, extensions, and accessories requiring a 3/8 inch socket size.

Installation Notes

This socket is a hand-drive tool installed and removed by service technicians across mechanical trades. Before use, confirm the drive square engagement is fully seated in the ratchet or extension to prevent slippage. Do not use this socket with impact drivers, as the chrome finish and hand-socket rating are not rated for impact torque loads. Inspect for cracks or deformation before each use and replace if damage is found.