Akust Rustless Screw #4-40 x 12.7

Akust Rustless machine screws are made out of Nylon 6/6. Which is a rust and corrosion resistant material that is also non-electrical conductive. It is lightweight and made of molded resin that is resistant to heat between 270-300 degrees F. Material has a tensile strength of 12,000 PSI.