#4-40, 1/2" OAL, Flat Head, #1 Phillips Self Sealing Machine Screw MPN:SFR4-40X1/2 - Pkg Qty 10

The #4-40 self-sealing machine screw with a #1 Phillips drive comes with an OAL of 1/2 inch and features a flat head type making it suitable for general purposes where self-drilling functionality is essential. Manufactured from steel material, this screw is ideal for use in aircraft, aerospace, or marine environments where resistance to corrosion due to chemicals, moisture, or other elements, is paramount. The #1 Phillips drive ensures precise torque and driving requirements are met while its flat head minimizes countersinking necessities on panel or sheet metal materials during installation. This versatile self-sealing machine screw can be used to fasten wood, metal, plastic, and composite materials in various applications within industries such as automotive, electronics, construction and hardware.