PHILLIPS TRUSS HEAD SCREW/Carbon steel, 4-40, 1/2 AN526-440R8 pack of 100PHILLIPS TRUSS HEAD SCREW/Carbon steel, 4-40, 1/2Phillips Truss Head ScrewMaterial - Carbon Steel Per FED-STD-66Finish - Cadmium Per QQ-P-416, TYPE IISee Specs tab for specific screw details.Product CodesMfr Part No:AN526-440R8..