These screws are coated with a layer of zinc to protect them from corrosion, which is particularly important in environments where moisture might be a concern. The galvanization process creates a barrier that resists the deterioration of the metal, thereby extending the lifespan of the fastener.

Applications of M20 Foundation Bolts

2. Cost-Effectiveness By eliminating the need for pre-drilling tools and reducing labor time, self-drilling screws can lower overall project costs. With fewer materials and tools needed, contractors can maximize their budget without compromising quality.

Galvanized expansion anchor bolts are a popular choice for securing heavy items to concrete or masonry surfaces. These bolts are designed to provide a strong and reliable fastening solution, especially in outdoor or high-moisture environments. The galvanized coating on these bolts helps to protect them from corrosion and rust, ensuring their durability and longevity.