M2 stainless steel cross drive white head 360 blue patch miniature screw

Industry knowledge：

Cross drive countersunk head screw, also known as countersunk head screw, flat head screw, this kind of screw length measurement is different from other screws. It is quite special, its measurement length size standard is diameter including screw head measurement. The method is to use a caliper to measure straight line from the head of countersunk screw to the tail of screw thread. That is to say, the length of the whole screw is its length.