Socket Key Proline 1/2" 12 mm Model 9040720 — 1/2 inch drive, 12mm

Proline Socket Key Model 9040720 is made from CR-V S2 steel and provides a 12 mm HEX working end with a 1/2" square drive. With an overall length of 55 mm, this 1/2" drive 12 mm socket is intended for fastening and loosening nuts and bolts in automotive, workshop and maintenance settings.

Advantages

The socket key combines CR-V S2 steel strength with a precise 12 mm HEX profile and a standard 1/2" square drive for compatibility with 1/2" ratchets and handles. Its 55 mm length offers a balance between access and control while maintaining a compact form factor for repetitive torque tasks.

Suitable for

• Automotive repair and maintenance
• Workshop fastening and assembly
• General maintenance and repair tasks

Key specifications

• Manufacturer: Proline
• Model: 9040720
• Drive size: 1/2" (square)
• Working end: 12 mm HEX
• Material: CR-V S2 steel
• Length: 55 mm
• EAN: 4750959040720

How to use

Select a compatible 1/2" ratchet or handle, place the 12 mm HEX end onto the fastener and apply steady torque in the required direction to tighten or loosen. Ensure the socket is fully seated on the nut or bolt before applying force to avoid rounding the fastener. Use appropriate torque tools when specified by the application.

Usage recommendations

Inspect the socket for wear or deformation before use. Do not use the socket on fasteners of incorrect size. Store in a dry place and clean after use to prolong service life.