M3/M4/M6 Galvanized outer hexagon screw full tooth hexagon head bolt outer hexagon screw fastener for Construction & Furniture Assembly

These galvanized full thread hex head bolts are manufactured with high-strength carbon steel and a galvanized finish for excellent rust resistance and long-lasting durability. Designed with a standard outer hexagon head and full-tooth thread, they provide stable clamping force, secure fastening, and excellent anti-loosening performance in various working conditions.

 

Available in M3, M4, and M6 sizes, these bolts are compatible with standard wrenches and easy to install. The uniform thread ensures tight engagement with nuts, making them ideal for heavy-duty and daily assembly work.

 

Widely used in construction, furniture assembly, machinery installation, home repair, DIY projects, and industrial equipment, these fasteners deliver reliable performance for both indoor and outdoor applications. Strict quality control ensures consistent size, high hardness, and stable structure, meeting the needs of professional manufacturers, maintenance workers, and DIY users.