#4-40 X 7/16" Machine Screws | Undercut Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (7000/Pkg.) PMX The 1/2" length is ideal

The 1/2" length is ideal for joining thin materials without protruding

Design: Hex head with flange and serrated washer for a tight bite into base material

standard screwdriver engagement

Their uniform size makes them ideal for bulk hobby projects and professional installations alike

and panel mounting applications

#4-40 X 7/16" Machine Screws | Undercut Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (7000/Pkg.) PMX The 1/2" length is idealMachine Screws Phil Undercut Flat 18 8 Stainless Black Oxide 4 40 x 7 16 are precision fasteners designed for reliable, corrosion resistant joining in metal assemblies. With a flat head and Phillips drive, these screws provide a clean, flush finish in enclosures, panels, and machinery. Key specifications Thread size: 4 40 Length: 7 16 in Head style: Phil Undercut Flat Drive type: Phillips Material: 18 8 stainless steel Finish: Black oxide Why choose