Search results for Connectors are below:

https://www.yardleyinserts.com/

Yardley Inserts is a U.S. manufacturer of high quality threaded metal insert fasteners serving a wide range of fastening applications for OEMs and various other industries. Since 1946, Yardley Inserts has been delivering standard and custom manufactured threaded metal inserts for applications ranging from furniture and plastics to medical and electronics. -Yardley Products Corporation

http://www.knex.com/

K’NEX prides itself on connecting Science, Technology, Engineering, Arts, and Math with imagination. STEAMagination™ can be found in every K’NEX set and with it building dreams become a fun-powered, 3-D reality! Winner of over 390 awards and recognitions, the K’NEX product line has building toys specially designed for every age group and skill level. -K'NEX

K'NEX rods and Connectors are manufactured at an eco-friendly manufacturing facility in Pennsylvania, The Rodon Group. While most toys are made overseas, K’NEX remains committed to American design and manufacturing. -K'NEX