CURRENTLY NEW TYPES OF PLATINGS AND COATINGS ARE BEING USED IN SHEET METAL FABRICATION. SPOT WELDING CAN NO LONGER BE THE JOINING METHOD OF CHOICE. IT DESTROYS THE PROTECTIVE QUALITIES OF THE PLATINGS. ENGINEERS HAVE TURNED TO THE SELF PIERCING FASTENER AS A COST EFFECTIVE WAY TO JOIN ALL TYPES OF PREPLATED AND PAINTED SURFACES.
