RENY (Lenny) 2 types + pot tapping screws
This is a screw that can be directly tightened into a pre-drilled hole that has not been processed with internal threads by plastically forming internal threads in the mating material itself. RENY possesses the highest strength and rigidity among engineering plastics and also excels in oil resistance and heat resistance. It is used as an alternative material to metal in transportation components such as automobiles, general machinery, precision machine parts, electrical and electronic equipment parts, and civil engineering and construction materials. It is compliant with EU-RoHS standards.