Description
Small Parts #4-40 Steel Truss Head Machine Screws, 1/4" Black Oxide, 100-Pack Product Description Machine Screws Are Threaded Fasteners That Are Typically Used With Nuts Or Drilled And Tapped (Threaded) Holes. They Are Available With A Variety Of Head Shapes, Which Determine How The Screw Interacts With The Mating Surface, And Drive Styles, Which Determine The Type Of Driver Required To Install And Remove The Screw. Product details Item model number : 0404MPTB Date First Available : October 31, 2013 Manufacturer : Small Parts ASIN : B00FTJWIYI