304 inner hexagon headless set screw ASMEB18.3 concave end machine meter stop screw it is also widely used. Mainly a kind of screw specially used for fixing the relative position of machine parts. When in use, screw the set screw into the screw hole of the part to be fixed, and press the end of the screw against the surface of another part, even if the former part is fixed on the latter part. Slotted and hexagon socket set screws are used for the parts whose nail heads are not allowed to be exposed, and square head set screws are suitable for the parts whose nail heads are allowed to be exposed.
Set screws are widely used in mechanical equipment, electronic equipment, communication equipment, hardware lighting, building bridges, all kinds of precision machinery, precision instruments, meters, electronic products, communication products, locks, toys and other industries!