Knurled Threaded Insert

A knurled threaded insert has a knurled exterior that provides grip in the host material. It is used to create a strong thread in soft materials.

A knurled threaded insert gives a grip resistant thread in plastics, composites and thin sheet. It is set into a drilled or moulded hole with a setting tool, and it takes a screw or bolt of the same thread. The insert suits assemblies where the parent material is too soft to hold a thread on its own.

These inserts are often made in stainless steel. Stainless steel offers good corrosion resistance for indoor and outdoor use.

This is a general guide to checking this kind of part. It says nothing about any supplier's parts.

Ask for a certificate of conformance to confirm the material and dimensions. On receipt, check the knurl pattern, the thread, and the overall finish.