TYPES OF SCREW HEADS CAN BE FUN FOR ANYONE

The JIS B 1012[26] was usually present in Japanese made devices, for example cameras and motorbikes. Superficially it appears like a Phillips screw with narrower and more vertical slots, to present less tendency to cam out. The double-sq. drive is two squares superimposed at forty five° rotation, forming an eight-pointed star. The design is simil