4-24 x 5/16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Zinc 11NCUP They have a black oxide

They have a black oxide finish and are designed for use in metal applications

this screw is suitable for various projects requiring a small and sturdy fastener

and UV rays

5/8" x 3" Fender Washer Zinc

4-24 x 5/16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Zinc 11NCUP They have a black oxide4 24 x 5 16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Zinc is a small, versatile screw designed for use in a variety of applications. It features a Phillips pan head for easy driving, and a self tapping design that eliminates the need for pre drilling. The screw is made of steel and coated with black zinc for corrosion resistance. It is fully threaded for maximum holding power, and is ideal for use in metal, plastic, and wood.