Threaded Washer Fasteners Custom Metric Inch Size SEMS Galvanizing Gallery Threaded Washer Fasteners Custom Metric Inch Size SEMS Galvanizing Cold Forming Threaded Washer Fasteners Custom Metric Inch Size SEMS Galvanizing Ric Sun2020-10-19T20:21:19-07:00 The threaded washer fasteners are also known as SEMS screws. SEMS screw combines two separate parts into one [...] Threaded Washer Fasteners Custom Metric Inch Size SEMS GalvanizingRic Sun2020-10-19T20:21:19-07:00