1/4-20 x 5/16 Slotted Pan Machine Screw Fully Threaded Zinc WUSSG This 4-40 x 5/16 Phillips

This 4-40 x 5/16 Phillips flat machine screw is made of 18-8 stainless steel

This 3/8-16 x 1 1/8 hex tap bolt is made of steel and has a zinc finish

They are made of black phosphate steel for corrosion resistance and have a sharp point for easy penetration

preventing the washer from loosening or coming off

1/4-20 x 5/16 Slotted Pan Machine Screw Fully Threaded Zinc WUSSG This 4-40 x 5/16 PhillipsThis 1 4 20 x 5 16 Slotted Pan Machine Screw is a fully threaded screw with a slotted drive and a pan head. It is made of zinc plated steel for corrosion resistance and has a length of 5 16 inches. This screw is commonly used in a variety of applications, including fastening metal, plastic, and wood.