Special Screws

PSM CELADA Fasteners’ TIEMMEⓇ series of self-tapping and thread-forming fasteners for plastics, composite materials, and light alloys. In addition to our range of self-tapping and thread-forming screws, PSM CELADA Fasteners, in partnership with BULTEN, has the technical and production skills needed to provide specially designed screws and bolts, including with metric threading. This series of special fasteners designed by BULTEN broadens our ability to provide an extremely wide range of screws and bolts in various head, body and point designs. All series are available with a variety of surface treatments for corrosion protection, friction control, and sealants for use in the automotive industry and other industrial applications.