The M3/BN1352 DIN7980 part of Bossard is a T-head hexagonal screw, made of stainless steel and designed to fasten machine parts together. It has a knurled shaft to resist loosening due to vibration, axial forces or temperature changes and is usually self-tapping, so no pilot hole is required. The M3/BN1352 DIN7980 can accommodate a wide range of materials, including sheet metal, fiberboard, plastics, composites and more. It is often used in the automotive, electrical and electronic industries.