Embout douille C.K Tools T4690M

The C.K Tools T4690M nut driver bit is a 1/2" drive metric tool designed for accurate fastening and long service life. It features a 25.4 mm (1/2") shank and a 20 mm nut driver head, providing a precise fit for metric hex nuts and bolts. The bit is intended for professional and DIY use where reliable torque transfer and secure engagement are required.

Advantages

The nut driver bit delivers a secure fit on 20 mm metric fasteners and is manufactured to provide consistent torque transfer and wear resistance. Its 1/2" drive shank ensures compatibility with standard sockets and power tool adapters, allowing efficient use in tight or repetitive fastening tasks.

Suitable for

Key specifications

How to use

Insert the 1/2" drive shank into a compatible ratchet, extension or power-tool adapter. Place the 20 mm nut driver head onto the fastener and apply steady torque until the fastener is tightened or loosened as required. Use appropriate speed and torque settings when using powered tools to avoid damaging the bit or the fastener.

Recommendations

Inspect the bit for wear or rounding before use; replace if damaged. Match the bit size exactly to the fastener to prevent stripping. Use suitable personal protective equipment and follow tool manufacturer guidelines when operating power tools.