Material: These hexagon head screws bolts are made of quality 304 stainless steel, ensuring durability and corrosion resistance, waterproof and rust-proof, high hardness, and not easy to deform, with clear threads.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.