M3 thread inserts, 5.0mm x 5.0mm (20-pack)

These thread inserts need to be heated to install them in your 3D printed objects. The thread inserts have a self-tapping screw thread on the outside for optimal grip. This package contains 20 type M3 thread inserts.The Modifi3d Pro repair/modification tool allows you to easily assemble these thread inserts.