1243705 is a hex self-tapping screw manufactured by Bossard, Inc., a company that produces and sells fasteners, screws, nuts, and bolts. It is specifically a 4.5mm thread diameter, 14mm length, M2.5 pitch thread, hex slotted head screw with a zinc-plated finish. The screw's thread was designed to allow it to be easily inserted into tight spaces and its zinc plating gives it a layer of corrosion resistance.