Proto J7441M Impact Socket 1/2 in Drive 41mm 6-point

Product Description

The PROTO J7441M is a 6-point hex drive impact socket designed for 1/2 inch drive impact wrenches and ratchets. Built from alloy steel, it delivers the torsional strength needed to withstand the high-torque demands of pneumatic and electric impact tools. The socket measures 41mm and has an overall length of 2-3/8 inches, placing it in the standard-length category. It is manufactured to ASME B107.33M, the recognized specification for impact sockets in professional trade settings. Licensed mechanics, industrial maintenance technicians, and heavy-equipment service pros reach for this socket when working with large fasteners that require controlled impact force.

This socket is suited for automotive, fleet, and industrial maintenance applications where 41mm fasteners are common, such as large axle nuts, wheel hubs, and heavy machinery hardware. The standard overall length of 2-3/8 inches makes it practical in both open and moderately confined access points. Its 6-point geometry reduces the risk of rounding fastener flats under high torque compared to 12-point designs, making it preferable for stuck or corroded hardware.

Key Features

• 6-point hex drive geometry reduces fastener rounding under high-torque impact use
• Alloy steel construction rated for impact tool use, not hand-tool-only chrome sockets
• 1/2 inch square drive fits standard impact wrenches, air ratchets, and torque multipliers
• 41mm socket size for large fastener applications in automotive and industrial settings
• Standard length at 2-3/8 inches overall for versatile access in most service scenarios
• Manufactured to ASME B107.33M for verified dimensional and performance compliance

Compatibility

Designed for use with 1/2 inch drive impact wrenches, air ratchets, and torque multipliers. Fits standard 1/2 inch drive detent-pin and hog-ring impact tool anvils.

Installation Notes

Always verify the drive retainer mechanism is fully engaged before applying torque. Inspect the socket for cracks or deformation before each use, particularly after exposure to shock loads. Do not use impact sockets on hand-torque tools such as beam-style torque wrenches unless the tool and fastener spec allow it. Wear appropriate eye protection when operating impact tools in service environments.