The group of single contacts includes contact rivets, contact tips and formed parts such as weld buttons. Contact spheres (or balls) are today rarely used because of economical considerations.
Contact Rivets
Solid Contact Rivets
Solid contact rivets are the oldest utilized contact parts. Their manufacturing requires a ductile contact material and is done without scrap on fully automated special cold heading machines. A wire slug is cut off and the rivet head is formed by pressing and hammering. This way contact rivets...