M3 brass expanding inserts are used to add durable metal threads to plastic parts. They help repeated screw installation and removal without wearing out the plastic thread.

Yes. These inserts are intended for plastic components where a stronger threaded connection is needed than plastic alone can provide.

Non reversed identifies the insert style. It distinguishes this version from reversed insert designs and helps users match the insert to the part design and installation method they need.

A flanged insert provides a shoulder that can help with seating and positioning in the part. In plastic assemblies, that can be useful when a consistent installation depth is needed.

Yes, they can be used in 3D printed plastic parts when the part is designed with the correct hole size and wall thickness for the insert. Material choice and installation method should be matched to the printed plastic to avoid cracking or deformation.