Hex pin key (hexagonal pin wrench) wiha 351Z 1/8 x 62 x 22 mm

Hex pin key wiha 351Z 1/8 x 62 x 22 mm is a compact, single-piece hexagonal pin wrench intended for driving and removing fasteners or components with a matching pin socket. The tool's dimensions and solid construction provide precise engagement with small pin-type sockets used in precision assemblies, maintenance operations and equipment adjustment tasks.

Advantages

The hex pin key offers accurate fit and reliable torque transfer due to its precisely machined pin and hex body. Its single-piece design reduces play and minimizes the risk of bending under typical hand-operated loads. The compact length allows access into recessed or confined areas while maintaining control during turning operations.

Suitable for

• Precision assembly and instrument maintenance
• Electronics and small mechanical repairs
• Adjusting set screws and pin-socket fasteners in confined spaces
• Maintenance tasks on machinery where pin wrenches are specified

Key specifications

• Pin diameter: 1/8 inch (approx. 3.175 mm)
• Overall length: 62 mm
• Handle/shaft width: 22 mm
• Material: hardened steel suitable for hand tools
• Single-piece construction for reduced flex and improved durability

How to use

Select the hex pin key matching the pin socket diameter and insert the pin into the mating hole or slot. Apply steady hand pressure and turn the tool in the required direction, keeping the shaft aligned with the fastener axis to avoid side loading. For removal, reverse the rotation while maintaining engagement until the component loosens sufficiently to be handled by hand.

Usage recommendations

Use the hex pin key for hand-operated tasks only; avoid applying impact or excessive torque that could deform the pin or fastener. Keep the working area clean to prevent debris from obstructing the pin socket and periodically inspect the tool for wear or damage before use.