M3M4M5M6M8M10M12 304 stainless steel outer hexagon screw extension screw outer hexagon bolt for Machinery & Furniture Assembly

These 304 stainless steel external hexagon screws (extension screws/hex bolts) are engineered for industrial machinery, furniture assembly, construction, home improvement, and DIY repair projects. Crafted from high-quality 304 stainless steel, they deliver superior corrosion resistance, rust resistance, and high tensile strength—perfect for indoor, outdoor, and humid environments, ensuring long-lasting performance even in harsh conditions.

 

Featuring an outer hexagon head design, these bolts allow for easy, secure tightening with standard wrenches, providing stable torque and preventing slipping during installation. As full-thread extension screws, they offer strong holding power and reliable fastening, making them ideal for connecting metal, wood, plastic, and other materials in various applications.

 

Available in a complete range of popular standard sizes—M3, M4, M5, M6, M8, M10, M12—these external hex bolts meet diverse fastening needs, from small DIY projects to heavy-duty industrial use. They are widely used in machinery maintenance, furniture assembly (cabinets, tables, shelves), construction fixtures, home renovation (curtain rods, brackets), and industrial equipment installation.

 

Designed for professionals, contractors, DIY enthusiasts, and factory use, these 304 stainless steel hexagon screws balance durability, versatility, and ease of use. The 304 stainless steel material ensures resistance to rust and corrosion, making them suitable for long-term outdoor or wet-area applications. Whether for daily repair, assembly, or industrial projects, these outer hex screws are a reliable choice for secure, long-lasting fastening.