Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Pilot end having means enhancing fastening or installation
Inventor
active
Fastening element for a friction-welded joint
Self-drilling and thread-forming screw having a flow-forming sec
Self-tapping screw
Self-threading screw with straight load flank and angled...
No associations
LandOfFree
Ralf Birkelbach does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Ralf Birkelbach, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ralf Birkelbach will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1013777