TAODAN 1Set Metal Mailbox Latch Mailbox Door Bolt Security Clip Matte Iron Handle Replacement Part with Matching Anti Loosening Nuts

Material: Iron Surface Finish: Satin Fatigue Strength: High (withstands repeated opening and closing without fatigue failure) Operating Temperature: -20degree centigrade to 80degree centigrade

• Made from high-density iron in a single-piece construction, the surface is sanded and polished. The dense rust-proof coating ensures that even after prolonged exposure to sun and rain, no rust spots or perforations will appear; surface stains can be easily wiped away with a damp cloth.
• The surface features a matte black finish that does not glare in direct sunlight and does not interfere with streetlights or surveillance cameras. It also hides fingerprints and minor scratches, maintaining a clean appearance year-round.
• The interlocking mechanism provides a slight damping effect when closing the door, preventing the clanging sound caused by direct metal-on-metal impact.
• The latch and top bolt feature an embedded interlocking mechanism that creates horizontal resistance when closed, withstanding gusts of wind exceeding Force 8. This ensures the mailbox door remains tightly sealed against the body, preventing mail from spilling out or getting wet in the rain.
• Equipped with special anti-loosening nuts that utilize the ring-lock principle to increase thread friction. Even with frequent opening and closing or exposure to strong wind vibrations, the screws will not back out on their own, ensuring the door latch remains securely engaged and preventing it from springing open automatically