Ko-Ken KO4012A6016 Inhex Socket, 1/2 in, 1/2 in Drive

The Ko-Ken 4012A-60 is an inhex socket with a 1/2 in square drive. (manufacturer-stated)

The catalogue page for this series prints: "4012M/A are for hand use only. Do not use with an impact wrench." (manufacturer-stated)

Hex sizes run from 5/32 to 3/4 in.

Overall length is 60 mm. (manufacturer-stated)

Where this product is used

• Driving inhex (hex socket) screws with a 1/2 in drive ratchet or handle
• Machinery and equipment maintenance where hex socket fasteners are used
• Workshop and maintenance work

Features

• 1/2 in square drive (manufacturer-stated)
• Inhex (internal hex) bit socket
• Listed in the 1/2 in Hand Sockets section of the catalogue (manufacturer-stated)
• 60 mm overall length (manufacturer-stated)

Common specifications

Key specifications

Weights are manufacturer-stated (Ko-ken catalogue 2025-26).

Selecting the right option

Match the 1/2 in square drive to your ratchet or handle, then choose the hex size that fits the fastener. The catalogue's safety notes say to select impact sockets only for electric or air impact wrenches and not to substitute hand sockets for impact sockets; this series is listed in the hand sockets section of the catalogue. (manufacturer-stated)

Related products

Related Ko-Ken products: Ko-Ken RS4012M/10-L60 Inhex Socket Set on Rail, 4 to 19 mm, 10 Pieces, 1/2 in Drive, Ko-Ken RS4012A/10-L60 Inhex Socket Set on Rail, 10 Pieces, 1/2 in Drive, Ko-Ken 4012M-60 Inhex Socket, 4 to 24 mm, 60 mm Long, 1/2 in Drive, Ko-Ken 2010M-25 Inhex Bit Socket, 3 to 10 mm, 1/4 in Drive and Ko-Ken 14012M-60 Impact Inhex Socket, Metric Sizes, 1/2 in Drive.