Combo Drive Flat Head Screws for Metal

(mm) ST4.8 P 2.1 dk min 9.07 dk max 9.47 da min 4.83 da max 5.26 r min 0.38 r max 0.89 k min 1.65 k max 1.91 M 4.9 No. 2 t min 2.13 t max 2.74 d min 4.78 d max 4.93 d1 min 3.2 d1 max 3.38   The Combo Drive Flat Head Screws for Metal are designed with precision to ensure optimal performance in various applications. Key features include: Size: ST4.8 with a nominal diameter of 2.1 mm Dimensions: Minimum driving key dimensions: dk min 9.07 mm, dk max 9.47 mm Minimum and maximum head diameter: da min 4.83 mm, da max 5.26 mm Minimum and maximum shank radius: r min 0.38 mm, r max 0.89 mm Minimum and maximum screw length: t min 2.13 mm, t max 2.74 mm Minimum and maximum body diameter: d min 4.78 mm, d max 4.93 mm Minimum and maximum underhead diameter: d1 min 3.2 mm, d1 max 3.38 mm Strength: M 4.9, No. 2 available for reliable fastening These screws are ideal for use in metal applications, providing durability and stability for various installation needs.