Socket Countersunk

The Hexagon Socket Countersunk machine screw is a Countersunk screw with an allen key to tighten or loosen. These are available from M3  -M20 in Self Colour , BZP , 304 and 316 stainless steel. Although they don’t look strong these screws are made from a 10.9 grade high tensile ( Excluding Stainless). Socket Countersunk screws are used to bolt together jobs that need to be fastened together without the head protruding the material so the head is flush with the job.