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The PROTO J5448H is a 1-1/2 inch, 6-point hand socket designed for use with a 1/2 inch drive ratchet or breaker bar. Built to ANSI/ASME B107.1 standards, this standard-length socket features a chrome-plated finish that resists corrosion and simplifies cleaning in shop and field environments. The 6-point contact geometry reduces fastener rounding under high torque by engaging flat sides rather than corners. At 0.8 pounds, it is a solid, single-piece tool suited for mechanical, industrial, and trade applications where reliable fastener engagement on larger hex fasteners is required.
This socket is appropriate for use in heavy equipment maintenance, industrial machinery service, plumbing fixture installations, and general mechanical work involving 1-1/2 inch hex fasteners. The 1/2 inch drive size is the standard choice for mid-to-high torque applications, compatible with a wide range of 1/2 inch drive ratchets, torque wrenches, and extensions. Standard length profile fits most open-access fastener locations without requiring a deep socket extension.
Designed for use with standard 1/2 inch drive ratchets, breaker bars, torque wrenches, and extensions. Suitable as a replacement or addition to any 1/2 inch drive socket set requiring 1-1/2 inch coverage.
This socket is installed and used by mechanics, millwrights, plumbers, and general tradespeople working with large hex fasteners. Always ensure the drive tool is properly rated for the torque being applied before use. Inspect the socket for cracks or deformation before each use and remove from service if damage is found. Do not use impact drivers with hand sockets not rated for impact use.
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