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4-40 x 5/16 Phillips Oval Head Machine Screw Zinc (100)
DESCRIPTION
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 screws. Machine screws form a fastening superior in strength to spaced thread screws. These machine screws are manufactured from AISI 1006-1022 or equivalent steel with a hardness of Rockwell B70-B100 and a *60,000 psi minimum tensile strength.Titan Fastener Products, Inc. - AKA Lindstrom