Customize PEEK plastic bolt 1.Light weight 2.Excellent resistance to heat-285C,chemical,water,abrasion,shock,fatigue,radiatio 1. Customize any PEEK fastener ... pan head PEEK screw,cross recessed flat head PEEK screw,hexagon head PEEK bolt,socket head cap PEEK screw, hexagon PEEK nut,PEEK washer,PEEK gasket,PEEK spacer,etc ...