Proline Socket Key 1/4" 11 mm 9017630 — socket key for 1/4" drive, 11 mm

Proline Socket Key 1/4" 11 mm (model 9017630) is a single 11 mm socket designed for use with a 1/4" square drive. Manufactured from chrome-vanadium steel and subjected to precise hardening and tempering, this 11 mm socket provides the necessary hardness and durability for repetitive fastening tasks. The tool meets and exceeds strength requirements, making it suitable for workshop, automotive and household applications where a compact socket for a 1/4" drive is required.

Advantages

The socket is made of chrome-vanadium steel and heat-treated to ensure high wear resistance and long service life. Its specially profiled edges use the PRO-DRIVE system to reduce point loading on fastener heads and minimize damage to bolt corners and flat edges. The design complies with and surpasses DIN 3124 and PN-ISO 1711 strength criteria, ensuring reliable performance under typical working loads.

Suitable for

• Workshop maintenance and general repairs
• Automotive fastening and loosening tasks
• Household DIY projects requiring a 1/4" drive, 11 mm socket

Key specifications

• Model: 9017630
• Drive size: 1/4" square
• Socket size: 11 mm
• Material: chrome-vanadium steel
• Standards: performance exceeds DIN 3124 and PN-ISO 1711
• EAN: 4750959017630

How to use

Attach the 11 mm socket to a compatible 1/4" drive ratchet, bit holder or extension. Place the socket squarely over the nut or bolt head and apply steady torque in the required direction to tighten or loosen. Avoid using the socket with impact tools unless specifically rated for impact use; use appropriate extensions or adapters to reach recessed fasteners.

Usage recommendations

Regularly inspect the socket for wear or rounding of the profile; replace if the PRO-DRIVE profiling is visibly worn. Clean and lightly oil the socket after use to prevent corrosion and ensure smooth fitting on the drive square.