Customize PEEK plastic bolt 1.Light weight 2.Excellent resistance to heat-285C,chemical,water,abrasion,shock,fatigue,radiatio 1. ... screw,cross recessed flat head PEEK screw,hexagon head PEEK bolt,socket head cap PEEK screw, hexagon PEEK nut,PEEK ... resistance,shock resistance. 3. Excellent chemical resistance,abrasion resistance,similar to nickel steel. 4. Self-lubrication,wear resistance,has the ...