phillips flat head peek screw: 1.Toughness,rigidity; 2.Heat(285C),chemical,water,wear,shock, ... fatigue,radiation resistance. 1. Customize high-quality PEEK screw,PEEK bolt,PEEK nut,PEEK spacer,PEEK gear,PEEK bearing ... . Excellent chemical resistance,corrosion resistance,similar to nickel steel. 4. Self-lubrication,wear resistance,has the best slide performance in all ...