• ANSI B 18.3 Hexagon socket head cap screws with UNC thread

  • DIN 6912 Hexagon socket head cap screws, low head, with centre

  • DIN 7984 Hexagon socket head cap screws with low head

  • DIN 912 Hexagon socket head cap screws

  • ISO 10642 Hexagon socket countersunk head screws

  • ISO 12474 Hexagon socket head cap screws with metric fine pitch thread

  • ISO 14579 Hexalobular socket head cap screws

  • ISO 14581 Hexalobular socket countersunk head screws

  • ISO 14583 Pan head screws, with hexalobular socket

  • ISO 4762 Hexagon socket head cap screws

  • ISO 7379 Hexagon socket head shoulder screws

  • ISO 7380-1 Hexagon socket button head screws

  • ISO 7380-2 Hexalobular socket button head screws with collar