Hex socket cap screw according to ISO 4762 / DIN 912 made from white polyamide (PA 6.6). Polyamide is a lightweight, corrosion-free, non-conductive and non-magnetic material with good resistance to oils, greases and mild chemicals. Suitable for electronics, electrical installations and light-duty assemblies where metal fasteners are not preferred. Not recommended for use in strong acids or alkalis. The internal hex drive allows easy installation and removal without corrosion or seizing. Available in multiple dimensions from SWEBOLT & BOTNIA BOLT.