M6 M8 M10 304/201 Stainless Steel Expansion Screw Color Zinc Expansion Bolt Outer Hexagon Explosion Screw Peng Expansion for Construction & Fixing

These 304/201 stainless steel expansion screws are built for heavy‑duty fixing, wall anchoring, concrete installation and construction projects. Made of 201 or 304 stainless steel with color zinc coating, they offer strong rust resistance, high hardness and stable load‑bearing performance for indoor and outdoor use.

 

Featuring an outer hexagon head, these expansion bolts are easy to install with standard tools. The reliable expansion structure provides a tight, secure hold in concrete, brick, stone and other solid materials, preventing loosening under vibration and heavy loads.

 

Available in M6, M8 and M10, these expansion screws are widely used in home renovation, shelf mounting, fence fixing, machinery installation, engineering construction and daily repair. They are durable, anti‑corrosion and built to last for long‑term applications.

 

Suitable for contractors, maintenance workers and DIY users, these expansion screws deliver strong holding power and stable performance for all kinds of heavy‑duty fastening needs.