Socket Wera 8790 HMA

The Wera 8790 HMA Socket is a 1/4" hand and machine socket (ISO 2725 part 3) with a ball intercept ring, designed for external hexagonal bolts and nuts. With a length of 50 mm and a diameter of 12.8 mm, this metric socket suits manual and machine (non-impact) applications, including work with low-lying screw heads and protruding threaded rods. It features Wera's Take it easy colour-coded size finder for quick tool identification and an easy-to-grip surface that performs well even with oily hands. The hexagon profile permits high torque transmission while reducing stress on bolt and screw edges; used with fine-toothed ratchets it provides effective operation in confined spaces.

Advantages

The socket combines compatibility with manual and machine (non-impact) use, a secure ball intercept ring for reliable retention on the drive, and a hexagon profile that minimises rounding of fasteners. Colour coding speeds up size selection and the design allows comfortable handling with oily hands. Its fine geometry works well with fine-toothed ratchets to enable small return angles in tight spaces.

Suitable for

• Working with external hex bolts and nuts in metric sizes
• Manual hand tool use and non-impact machine operation
• Applications with low-lying screw heads or protruding threaded rods
• Tight or confined spaces requiring fine-toothed ratchet access

Key specifications

• Brand: Wera
• Model: 8790 HMA
• Drive: 1/4" (6.35 mm)
• Standard: ISO 2725 part 3
• Length: 50 mm
• Diameter: 12.8 mm
• Type: External hexagon socket with ball intercept ring
• Made in: Taiwan
• MPN: 05004507001
• EAN: 4013288210302

How to use

Select the correct metric size using the Take it easy colour coding, then push the socket onto a compatible 1/4" drive ratchet, extension or bit holder until the ball intercept ring clicks to secure it. Use with manual ratchets or non-impact machine drivers; avoid impact tools. For work in confined areas, pair the socket with a fine-toothed ratchet to benefit from a smaller return angle.

Usage recommendations

Do not use this socket with impact wrenches. Regularly inspect the socket and fastener faces for wear to avoid rounding; keep the socket clean and lightly lubricated if used in oily conditions to ensure smooth fitting and removal.