Straight D-sub connectors for fixing onto printed circuits with harpoons. Straight D-sub connectors for printed circuits. Mounting system using cylindrical harpoons with threaded spacers, also used as earthing point for cards of 1.6 3.2 mm thickness. Better hold on the printed circuit; can be used with cards of varying thicknesses (harpoon does not come through at the back). Tin-coated metal enclosures (with earth blades on male connectors). Rolled cut-out contacts, with selective gold plating. Flush rivet nut 4-40. Pitch between rows: 2.84 mm.