Proto J5276AM Hand Socket 13 Mm 12-point 3/8 Drive

Product Description

The PROTO J5276AM is a 13 mm, 12-point hand socket designed for professional-grade fastener work. Built from alloy steel with a chrome-plated finish, it fits a standard 3/8-inch drive ratchet or extension. The 12-point configuration allows engagement at 30-degree increments, making it useful in tight or awkward access situations. At 1-3/4 inches overall length and 0.14 pounds, it is a compact, lightweight tool suited for mechanics, HVAC technicians, electricians, and other trades where metric fastener work is part of the daily workflow. It meets ASME B107.5M standards for hand socket tooling.

This socket is appropriate for light to medium-duty hand-tool use in residential and commercial service environments. Typical applications include equipment panel removal, bracket fastening, and mechanical assembly tasks where a 13 mm metric fastener is present. The chrome finish resists corrosion in shop and field conditions. It is sold as a single unit and is well-suited for addition to an existing 3/8-inch drive socket set or as a standalone replacement piece for a missing or worn socket.

Key Features

• 13 mm socket size for common metric fastener applications
• 12-point design allows 30-degree engagement increments for restricted-access use
• 3/8-inch drive compatibility fits standard ratchets, extensions, and flex drives
• Alloy steel construction meets ASME B107.5M tool standards
• Chrome-plated finish provides corrosion resistance in shop and field environments
• Compact 1-3/4 inch overall length and 0.14-pound weight for easy handling

Compatibility

Designed for use with standard 3/8-inch drive ratchets, extensions, and adapters. Compatible with any 3/8-inch drive hand tool system requiring a 13 mm, 12-point metric socket.

Installation Notes

This socket is intended for hand-tool use by qualified trade professionals and mechanics. Before use, inspect the socket and drive tool for cracks, rounding, or corrosion that could cause slippage or fastener damage. Do not use hand sockets with impact drivers unless the socket is impact-rated. Ensure the drive connection is fully seated before applying torque to avoid rounding the fastener head or damaging the socket.