BSF 5/16 Socket Cap Screw High Tensile 12.9 DIN912

  
BSF 5/16" Socket Cap Screw High Tensile 12.9 DIN912 BSF, 5/16", Allen/ Hexagon Socket, Cap Head, Screw/ Bolt, High Tensile (12.9), BS 2470. A screw is fully threaded and a bolt is partialy threaded.