Wafer Head Screw Undercut Shoulder Machine Threaded Custom Gallery Wafer Head Screw Undercut Shoulder Machine Threaded Custom Cold Forming, Machining Parts Wafer Head Screw Undercut Shoulder Machine Threaded Custom Ric Sun2020-06-16T22:47:41-07:00 Wafer head screw is the screw with a thin head. The head is just like a washer. Wafer [...] Wafer Head Screw Undercut Shoulder Machine Threaded CustomRic Sun2020-06-16T22:47:41-07:00