4-24 x 3/8 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc NF5C These notches allow a cotter

These notches allow a cotter pin to be inserted through the nut and the bolt

The EPDM rubber washer is bonded to the stainless steel washer

They are fully threaded and have a black oxide finish

ensuring a professional finish every time

These 8-18 x 1/2" Phillips flat self-tapping screws are Type AB fully threaded screws with a zinc coating

4-24 x 3/8 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc NF5C These notches allow a cotterThe 4 24 x 3 8 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc is a versatile and durable screw designed for a wide range of applications. Made from high quality zinc plated steel, this screw features a six lobe drive that provides excellent torque and prevents cam out. The flat undercut head sits flush with the surface of the material, creating a clean and professional finish. The self tapping design eliminates the need for pre