Features High-Quality Material: Crafted from A2？70 steel, these screws are highly resistant to deformation, ensuring long-lasting use. Exquisite Black Galvanizing: The black galvanizing process not only enhances the appearance but also adds reliability to these countersunk screws. Versatile Application: Suitable for fixing and connecting various materials, making them an ideal choice for a wide range of repair and maintenance projects. 50-Piece Set: With 50 pieces of flat M4 screws included, this set provides ample replacements for your repair needs. Easy Installation: The M4 type allows for convenient installation with a PZ2 screwdriver, making it easy to carry and use for repairs on the go. Specification: Item Type: Countersunk Screw Material: A2-70 Product Model: M4 Standard: DIN 965 Process: Black Galvanized Thread Diameter: Approx. 4mm / 0.16in Pitch: Approx. 0.7mm / 0.03in Screw Head Height: Approx. 2.2mm / 0.09in Head Diameter: Approx. 7.m / 0.29in Screwdriver Size: PZ2 Black Zinc Plated Explained These screws are standard zinc plated screws with a decorative black coating applied. The dip spin black coating offers a slightly increased level of defence against and is very thin so will not interfere with the threads, there is no build up in the threads or recess on the heads. The coating is solvent based and is resistant to s and is also RoHS2 compliant. Please note though that due to the thin application on these screws, it is possible that the coating may scratch slightly. Package List: 50 x M4x16 Screw Package List 50 x M4x16 Screw