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4-40 x 1 Hex Machine Screw 18-8 SS
$0.20
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$0.20
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4-40 x 1 Hex Machine Screw 18-8 SS . 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 stainless machine screws are ideal for environments where corrosion is an issue.