C.K Tools T4690M Embout douille

The C.K Tools T4690M nut driver bit is a 1/2" drive, metric bit with a 13 mm nut size and a 25.4 mm (1/2 inch) shank. Manufactured for precise engagement and long service life, this bit is intended for use with compatible 1/2" drive tool holders and ratchets. Its construction from quality materials provides a secure fit on 13 mm fasteners and consistent performance across repeated use.

Advantages

The nut driver bit offers a precisely sized 13 mm tip for accurate fastening, a 25.4 mm shank for compatibility with standard 1/2" drive sockets and holders, and durable material construction to resist wear. The bit’s fit and dimensions reduce slippage and help maintain torque transfer during tightening and loosening operations.

Suitable for

Key specifications

How to use

Insert the 25.4 mm (1/2") shank of the T4690M bit into a compatible 1/2" drive socket holder or ratchet. Align the 13 mm tip with the fastener, apply steady pressure, and turn the tool to tighten or loosen the nut. Ensure the bit is fully seated on the fastener before applying torque to avoid rounding the nut.

Recommendations

For reliable results, use the bit with tools rated for 1/2" drive and avoid applying excessive impact torque beyond the bit’s intended hand-tool use. Inspect the bit regularly for wear and replace if tip rounding or damage is observed.