Anti-Rust Alloy Steel Screws in Black Zinc Finish
Plated with black zinc finish for superior protection against rust and corrosion. Includes 2000pcs of Hex Socket Head screws (M2, M3, M4, M5). 1670pcs of Hex Button Head screws (M2, M3, M4, M5). Precision threads with no burrs, ensuring a seamless fit with corresponding nuts.