These M4 x 20mm eye bolts are built from durable carbon steel and finished with a bright zinc-plated coating to deliver strength, reliability, and long-term corrosion resistance. Each bolt features deep, clear threads that provide excellent fastening strength and prevent slipping or thread damage, even under frequent tightening. Designed with a standard circular eye-ring, these bolts are perfect for hanging items, securing cables, attaching hardware, and anchoring components in a wide range of environments. Whether used in home installations, office setups, construction sites, marine engineering, machinery operation, or fitness equipment assembly, they offer stable and dependable performance. Installation is simple: insert the eyebolt into the designated hole and tighten the included nut manually or with a tool. The smooth, burr-free finish ensures safe handling and a clean look. This 10-piece pack delivers excellent value for contractors, DIY users, and anyone needing strong and corrosion-resistant hardware for daily or professional tasks.