Impact Socket - 21mm - 1/2" Drive

This socket is primarily designed for use with 21mm fasteners, especially those found in scaffolding and steel fencing.

The socket requires a 1/2" drive.

The inner depth of the socket is 26mm, making it suitable for longer threaded fasteners.

You can use this socket with any 1/2" drive ratchet, extension, power bar, or impact gun.

Yes, it comes complete with a retaining ring and O-ring to ensure a secure fit.

Clean the socket after each use, store it in a dry place, and inspect it regularly for wear and tear. Applying a light oil can prevent corrosion.

A 6-sided socket provides a strong grip on the fastener heads, minimizing slippage and rounding off the edges.

Ensure that the retaining ring and O-ring are properly seated. Clean the drive end of the tool and the socket to remove any obstructions.

Ensure that the socket is fully engaged with the fastener. Check for wear and tear on the socket. Consider using a different socket if the fastener is severely damaged.

Clean the rust with a wire brush and apply a rust inhibitor or light oil. Store the socket in a dry place.