Button Head Dart Fasteners These versatile plastic fasteners offer many diversified applications possibilities. These button head screws may be used for light retention and as bumpers, hole plugs, bearings or spacers. Ideally suited for simplified fastening assembly of products shipped knocked-down for consumer assembly. Available in different materials, fastener head types and panel ranges. In addition to the inherent advantages of fasteners that are corrosion-proof, Button Head Dart fasteners are shock and vibration resistant, and will not work loose. How to apply Button Head Screws Position Button Head of fasteners in mounting hole of panel or components to be fastened. The tapered Dart guide panels into alignment as each fastener is seated. This leaves only the smooth Button Head of each fastener exposed.
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