Impact Socket 3/4" 21mm (6-point) PARTNER PA-46521

Impact socket PARTNER PA-46521 is a 21 mm, 6-point socket with a 3/4" drive designed for use with impact wrenches and high-torque tools. Constructed for repeated heavy-duty use, this socket gives a firm, non-slip engagement with hex fasteners and supports efficient torque transfer for automotive repair, industrial maintenance and assembly operations.

Advantages

This 21 mm impact socket features a 6-point profile that reduces rounding of fasteners and increases contact area for secure grip. The 3/4" drive size is suited to high-torque impact wrenches and pneumatic tools, allowing safe and reliable operation under heavy loads. The socket is made to withstand repeated impact cycles and is compatible with common workshops and industrial toolsets.

Suitable for

• Automotive wheel and suspension work requiring high torque.
• Industrial maintenance and machinery repair.
• Heavy-duty assembly and construction fastening tasks.
• Use with pneumatic or electric impact wrenches and torque tools.

Key specifications

• Socket size: 21 mm
• Drive type: 3/4" drive
• Point configuration: 6-point (hex)
• Intended use: impact / high-torque applications
• Typical compatibility: impact wrenches and pneumatic or electric torque tools

How to use

Select the 21 mm impact socket and fit it onto the 3/4" drive of a compatible impact wrench or torque tool. Ensure the socket fully engages the fastener head before applying torque. Operate the impact tool according to the tool manufacturer's guidelines, applying controlled bursts of torque where necessary. After use, inspect the socket and fastener for wear and store the socket in a dry tool chest or rack to prevent corrosion.

Usage recommendations

Use protective equipment and follow the impact tool safety instructions. Do not use the impact socket with hand ratchets or extensions not rated for impact use. Replace the socket if deformation, cracks or excessive wear are observed to maintain safe torque transfer.