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 ...

If you are searching for an alternative to the plastic coffee cups used by the large chain coffee shops, you may be interested in a new Kickstarter campaign for ZYLCH. A 12oz, 16oz or 20oz ...