Proto J5273HA 3/8 Inch Drive 6-point Hand Socket

Product Description

The PROTO J5273HA is a 3/8 inch drive, 6-point hand socket designed for professional-grade fastener work in demanding trade and industrial applications. Built from alloy steel with a chrome-plated finish, this socket features a universal/flex socket type that allows angled access to fasteners in tight or obstructed spaces. At 1.75 inches overall length, it delivers a compact profile suited to confined work areas. The 6-point design provides full contact on hex fastener flats, reducing the risk of rounding under high torque. This socket meets ANSI/ASME B107.1 standards, making it appropriate for use in regulated maintenance and repair environments. Mechanics, pipefitters, HVAC technicians, and electricians will find it useful across a wide range of service tasks.

The J5273HA is suited for general mechanical and trade work wherever 3/8 inch drive tooling is standard. The flex or universal joint action allows the socket to work at an offset angle without losing engagement on the fastener, which is especially useful when working around pipe runs, conduit, or equipment housings. Typical applications include equipment servicing, panel work, valve maintenance, and mechanical assembly in both residential and light commercial settings. The chrome finish resists corrosion in moderate shop and field environments.

Key Features

• Universal/flex socket type for angled fastener access in tight spaces
• 6-point geometry for full flat contact on hex fasteners, reducing rounding
• Alloy steel construction meets ANSI/ASME B107.1 standards
• Chrome-plated finish for corrosion resistance and easy cleaning
• Compact 1.75 inch overall length for confined work areas
• 3/8 inch drive fits standard 3/8 inch ratchets and extensions

Compatibility

Designed for use with standard 3/8 inch drive ratchets, torque wrenches, and extensions. Compatible with 3/8 inch hex fasteners requiring a 6-point socket in universal or flex-drive configurations.

Installation Notes

De-energize or lock out equipment before performing any fastener work on electrical panels or powered mechanical systems per NFPA 70E and applicable OSHA procedures. Ensure the drive connection is fully seated before applying torque. Inspect the socket for cracks or wear before each use, and do not use damaged sockets. This socket is not tether-capable and should not be used in elevated work situations where dropped-tool hazards apply.