Alpha MS51638 5/16" hex x 3/8" square Magnetic Socket

The Alpha magnetic socket is a square drive to hex socket. This page lists two sizes: MS825, an 8mm hex socket with a 1/4" square drive, and MS51638, a 5/16" hex socket with a 3/8" square drive (manufacturer-stated).

The Alpha catalogue lists the magnetic sockets under its driver bit range with the overall length and body diameter for each size: MS825 is 25.4mm long with a 12.7mm body diameter, and MS51638 is 32.0mm long with a 13mm body diameter.

The catalogue also lists a 1/4" square to 5.5mm hex size (MS5.522) that is not in this set of products.

Where this product is used

• Driving hex head screws and nuts from a square drive tool
• Holding small hex fasteners in the socket while starting them
• Fastening in tight spots with a ratchet or extension

Features

• Square drive to hex magnetic sockets (manufacturer-stated)
• 8mm hex with a 1/4" square drive, or 5/16" hex with a 3/8" square drive (manufacturer-stated)
• Body diameter 12.7mm (MS825) and 13mm (MS51638) (manufacturer-stated)

Common specifications

Key specifications

Figures are from the Alpha catalogue and the Alpha Tools product listings (manufacturer-stated).

Selecting the right option

Choose the hex size of your fastener and the square drive of your tool: MS825 is 8mm hex on a 1/4" square drive, and MS51638 is 5/16" hex on a 3/8" square drive. For hex shank tools that drive a square socket see the Alpha hex to square adaptor set.

Related products

See also the Alpha 3 piece hex to square adaptor set and the ThunderMAX impact magnetic nutsetters.