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Machine Screws feature straight shank fasteners with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screw. Fasteners are durably constructed of steel for long lasting reliability and strength.

Machine Screw - 4-40 x 1/4 - Phillips Flat Head - 18-8 (A2) Stainless Steel

771120-machine-screw-4-40-x-1-4-flat-head-phillips-drive-18-8-ss-unc-ft-1000-pack

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Machine Screw - 4-40 x 1/4" - Phillips Flat Head - 18-8 (A2) Stainless Steel - UNC - FT - 1000 Pack