13 SPECIALTY FASTENERS, FOR INDUSTRIAL USE-NAMELY, SPACERS AND INSERT NUTS FOR SANDWICH PANELS, SNAP-IN INSERT NUTS, MOLDED-IN INSERT NUTS, SELF-LOCKING NUTS, SELF-LOCKING SHEAR FASTENERS FOR SANDWICH PANELS, FLOATING BARREL NUTS, FLANGED PROJECTION WELDING NUTS, INSULATION COATED NUTS, FLUSH NUTS, ANGLE BRACKET NUTS, HIGH TEMPERATURE FLANGE NUTS, AND SPRING LOADED LATCHING PINS