WTI Fasteners Databooks
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Manual Inserting Tools

The various tools to install wire thread inserts are listed below

Do you know which type of inserting tool you need?

If not we'll be happy to advise when you give us your insert specification - below is a quick guide to give you background on the different types of inserting tools.

Screwdriver - Plain Mandrel Type

A simple tool with a slotted mandrel and depth stop in a screwdriver handle.

Suitable for quick and easy installation of free running Wire Thread Inserts.

Screwdriver - Threaded Mandrel Type Screwdriver

A threaded tool in a screwdriver handle

Suitable for quick and easy installation of free running Wire Thread Inserts

The threaded bar enables pitch control and reduces the risk of cross threading or mis-pitching inserts which is particularly useful with extra fine threads.

Plain Mandrel Prewind Type

A slotted driving mandrel within a tool body that has a pre-wind nozzle.

The pre-wind nozzle is necessary for installion of screw locking Wire Thread Inserts, where the insert must be compressed (pre-wound) prior to installation in the tapped hole.

Threaded Mandrel Prewind Type

A threaded mandrel within a tool body that has a pre-wind nozzle.

Suitable for both free running and screw locking inserts. 

Particularly useful for fine pitch threads, as it aids pitch control during the installation process.