Hex Socket 1/2" 21 mm NEO Tools 08-021

1/2" hex socket by NEO Tools, size 21 mm (model 08-021) is a single-piece hand tool designed for fastening and loosening hex head bolts and nuts with a 21 mm hex interface. It fits standard 1/2" drive ratchets, torque wrenches and breaker bars, offering a compact socket profile for use in automotive, mechanical and general maintenance tasks.

Advantages

The socket provides a precise 21 mm fit to reduce rounding of fasteners and ensure secure engagement. Its 1/2" drive interface is compatible with common hand tools used in professional and DIY settings. The single-socket design simplifies selection when a specific metric size is required, and the tool's compact length aids access in confined spaces.

Suitable for

• Automotive wheel and engine fasteners requiring 21 mm sockets
• Mechanical assembly and disassembly of machinery with 21 mm hex bolts
• Maintenance and repair tasks using 1/2" drive ratchets, torque wrenches or breaker bars
• Workshops and home garages where a durable 21 mm socket is needed

Key specifications

• Socket type: hex (6-point)
• Drive size: 1/2" (12.7 mm)
• Socket size: 21 mm
• Construction: single-piece socket designed for hand tool use
• Typical applications: fastening and loosening hex head bolts and nuts

How to use

Attach the socket to a compatible 1/2" drive ratchet, torque wrench or breaker bar by aligning the drive square and locking it into place. Position the socket over the 21 mm hex fastener, ensure full engagement, and apply turning force in the appropriate direction. For torque-critical applications, use a calibrated torque wrench and follow manufacturer torque specifications for the fastener. Remove the socket by retracting the drive locking mechanism and pulling the socket off the drive.

Usage recommendations

Use the socket only with appropriate 1/2" drive tools and avoid impacts beyond the socket's designed use unless specified for impact service. Regularly inspect the socket for wear, rounded edges or cracks and replace it if any damage is detected. Apply the correct torque values to prevent fastener or tool damage.