Proto J7428M Impact Socket 1/2 in Drive 28mm 6-pt

Product Description

The PROTO J7428M is a 28mm 6-point impact socket designed for heavy-duty fastener work in professional trade and industrial settings. Built for a 1/2 inch drive, it delivers the torque transfer and wall thickness needed to handle impact wrench output without cracking or rounding fasteners. The 6-point hex drive geometry makes full contact with fastener flats rather than corners, reducing the risk of slippage under load. At 2 inches overall length, it fits standard impact drive setups without adding unnecessary reach. Licensed tradespeople and industrial mechanics rely on this socket for high-torque applications where standard chrome sockets are not rated.

This socket is suited for automotive, heavy equipment, construction, and mechanical maintenance applications where a 1/2 inch drive impact tool is used alongside metric fasteners. The 28mm size is common on larger fastener assemblies found in drivetrain work, structural connections, and industrial machinery. It is appropriate for both shop and field use with 1/2 inch drive pneumatic or electric impact wrenches.

Key Features

• 28mm socket size fits common metric fasteners in automotive and industrial applications
• 6-point hex drive contacts fastener flats to reduce rounding under impact torque
• 1/2 inch drive compatible with standard pneumatic and electric impact wrenches
• 2 inch overall length suits most standard drive setups
• Impact-rated construction handles repeated high-torque use

Compatibility

Designed as an OEM-style replacement and standard fitment for 1/2 inch drive impact wrenches requiring a 28mm 6-point metric socket.

Installation Notes

Install onto a 1/2 inch drive impact wrench or breaker bar before use. Confirm the socket is fully seated on the drive anvil and the retaining pin or ring is engaged before applying torque. Do not use impact sockets on ratchets not rated for impact use. Inspect the socket for cracks or deformation before each use and remove from service if damage is found.