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The PROTO J5006MH is a deep hand socket designed for professional hand-tool use in mechanical, automotive, and industrial service applications. Built to a 6 mm size with a 6-point internal geometry, it seats firmly on fastener flats to reduce rounding under torque. The 3/8 inch drive connection fits standard ratchets, extensions, and breaker bars common in trade toolboxes. Chrome plating provides corrosion resistance and a cleanable surface. At 2.1 inches in length, the deep profile gives clearance to reach recessed or stud-mounted fasteners that a standard-length socket cannot access. Manufactured to ASME B107.5 standards, this socket meets the dimensional and performance requirements expected in professional shop and field use.
The J5006MH suits residential and commercial maintenance, fleet service, HVAC equipment assembly, and light industrial fastening work where a 6 mm metric fastener is involved. The deep length is particularly useful when a bolt extends above a nut or when a fastener sits below a countersunk surface. It is used by HVAC technicians, plumbers, electricians, and general mechanical service professionals as part of a standard metric socket set on a 3/8 inch drive ratchet or torque wrench.
Designed as an OEM-style replacement or addition for 3/8 inch drive metric deep socket sets used in professional hand-tool service.
Install and remove fasteners using a calibrated torque wrench when torque specifications apply to the assembly. Inspect the socket for cracks or wear before use and replace any damaged tool. Do not use hand sockets with impact drivers unless the socket is rated for impact use. Store in a dry location to preserve the chrome finish.
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