Frequently Asked Questions
Q1: What materials are these expansion bolts made of?
A: They are manufactured from high-grade 304 or 316 stainless steel, offering exceptional resistance to rust, salt spray, and chemical corrosion.
Q2: In what environments can these bolts be used?
A: They are ideal for harsh environments including coastal areas, humid workshops, and outdoor construction projects where anti-corrosion requirements are high.
Q3: Are these bolts suitable for heavy-duty applications?
A: Yes, they provide strong expansion gripping force and high bearing capacity, making them perfect for heavy-duty fixing in solid concrete, stone, and brick walls.
Q4: Do I need special tools for installation?
A: No complex auxiliary tools are required. The hexagon head design is compatible with standard wrenches, ensuring a simple and labor-saving installation process.
Q5: Do these products comply with international standards?
A: Yes, our expansion bolts comply with international fastener standards and have passed rigorous tensile, hardness, and salt spray tests.
Q6: Can these bolts be used for outdoor metal components?
A: Absolutely. They are specifically designed for permanent fastening of outdoor facilities, brackets, and metal components, ensuring long-term safety and stability.