The Hillman Group 111729 1 1 1 8-32 x 1-1/2-Inch Truss Combo Head Machine Screw, 100-Pack Fasten with a screwdriver to reduce the risk of over-tightening to protect the screw and fastened material If nuts are needed, use with nuts of the same finish and threading for proper fit Zinc-plated for moderate corrosion resistance