SI threaded metal inserts are offered as an alternative to adhesives and rivets and provide strong, reusable metal threads in plastics to allow for subsequent access to assemblies when required. These ...

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This article was updated May 25, 2023. It was originally published Nov. 17, 2009. To put hard, durable threaded holes in plastics, engineers often specify threaded metal inserts that will securely ...

SI inserts from PennEngineering permanently install in plastic assemblies to provide durable and reusable metal threads for mating hardware and allow for repeated ...

There’s a variety of ways to add threaded holes to 3D printed objects. You can tap a hole, but the plastic isn’t always strong enough. Nut traps work, but aren’t very attractive and can be difficult ...