Proto J5281HAM 18 Mm 6-point 3/8 Drive Hand Socket

Product Description

The PROTO J5281HAM is an 18 mm, 6-point hand socket designed for 3/8 inch drive ratchets, breaker bars, and extensions. Constructed from alloy steel with a chrome-plated finish, it delivers the corrosion resistance and surface hardness that professional mechanics and maintenance technicians expect from a hand tool used in daily service work. The 6-point geometry maximizes contact on fastener flats, reducing the risk of rounding under torque. Overall length is 1-57/64 inches. This socket meets ASME B107.5M standards, confirming dimensional and performance compliance for professional-grade hand tools.

The J5281HAM is suited for automotive, industrial, and general mechanical applications where an 18 mm fastener is driven with a 3/8 inch drive. It is a common fit for engine component hardware, suspension fasteners, and equipment maintenance tasks encountered in shop and field environments. The compact overall length makes it practical for tight access situations. Licensed mechanics, fleet technicians, and industrial maintenance crews will find this socket a standard addition to a 3/8 inch drive set.

Key Features

• 18 mm 6-point socket minimizes fastener rounding under load
• 3/8 inch drive compatible with standard ratchets, extensions, and breaker bars
• Alloy steel construction for strength and durability in daily use
• Chrome-plated finish resists corrosion and simplifies cleaning
• Meets ASME B107.5M dimensional and performance standards
• Compact 1-57/64 inch overall length suits confined fastener access

Compatibility

Designed as an OEM-style hand socket for use with any standard 3/8 inch drive tool system requiring an 18 mm socket.

Installation Notes

Install and remove using a 3/8 inch drive ratchet, torque wrench, or breaker bar. Ensure the socket is fully seated on the fastener before applying torque to prevent slippage. Inspect the socket for cracks or wear before use on high-torque fasteners. Clean and dry after use to maintain the chrome finish and extend service life.