4BA Socket Cap Screw High Tensile 12.9 DIN912

  

4BA Socket Cap Screw High Tensile 12.9 DIN912 4BA, Cap Head, Socket Screw/ Allen Bolt, High Tensile (12.9), Self Colour. A screw is fully threaded and a bolt is partialy threaded. Socket,' refers to the hexagon shaped indentation found on the top of the fasteners' head.