Cully™ Machine Screw, Combination, Measurement System: Imperial, 1/4-20 Thread, 3 in Overall Length, Steel, Truss Head, Zinc Plated, Phillips®/Slotted Drive, #3 Drive, 0.56 in Dia x 0.142 in H Head, Type 2A External Thread, Silver
A straight shank fastener with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screwMachine screws form a fastening that is superior in strength to spaced thread screwsDesigned for use with receptaclesProduct comes in a corrugated package