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The PROTO J74415MP is a 6-point impact socket designed for heavy-duty fastening and removal applications in professional trade environments. Built from alloy steel, it accepts a 1/2 inch drive and fits 15mm hex fasteners. The 6-point contact geometry reduces the risk of rounding fastener heads under high-torque conditions. At 2-19/32 inches overall length, this socket works with standard 1/2 inch drive impact wrenches and rattle guns common on mechanical and industrial job sites. It meets ASME B107.2 specifications, confirming dimensional and performance compliance for professional-grade hand tools.
This socket is suited for automotive service, fleet maintenance, mechanical contracting, and industrial assembly work where 15mm fasteners are encountered. The universal style and alloy steel construction make it appropriate for use with pneumatic, hydraulic, or electric impact drivers. Technicians working on engine components, suspension systems, and structural fasteners will find this socket fits standard workflows without adapter requirements.
Designed as an OEM-style replacement and standard fitment socket for 1/2 inch drive impact tools accepting 15mm hex fasteners in professional mechanical and industrial applications.
Installation of impact sockets should be performed by qualified mechanical technicians familiar with torque tool operation. Always confirm the socket is fully seated on the drive before applying impact force. Do not use impact sockets with standard ratchets beyond their rated load, and inspect for cracks or deformation before each use. Follow applicable workplace safety codes when operating pneumatic or electric impact tools.
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