STAHLWILLE Hex Fine Tooth Ratchet, 9 x 12 mm Insert, 17.5 mm

This torque wrench insert is an interchangeable head designed to convert torque tools for precise hex fastener work in industrial settings. It fits into standard torque tool assemblies to enable accurate torque application on hexagon fasteners, offering fine-step engagement suited to professionals working in automation, electronics, electrical and mechanical environments.

• Fine-tooth ratchet gives closer engagement and improved control
• Hex head form ensures secure connection to hex fasteners
• Insert size 9x12mm permits compatibility with common drive adaptors
• 17.5mm head thickness provides robust contact under load

• Suitable for precision assembly of electrical panels and enclosures
• Ideal for torque-sensitive fastening in PCB assembly fixtures
• Used with torque wrenches in mechanical machine maintenance
• Can be used for automated torque tooling in production lines

It employs a hexagonal head profile to match hex fasteners and mating adaptors, ensuring stable torque transfer.

The 9x12mm insert sising matches common adaptor interfaces used in professional torque tools for straightforward replacement.

The fine-tooth ratchet reduces angular movement between engagements, enabling finer torque increments and better control in confined spaces.

The head measures 17.5mm in thickness, which affects reach and clearance when selecting sockets or extensions.