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This wedge expansion anchor bolt adopts a professional wedge locking structure for ultra-firm anchoring on concrete, brick and stone walls. Made of high-grade carbon steel, it boasts outstanding load-bearing, tensile and anti-loosening performance. With rust-resistant bright finish and optional TiCN coating, it supports easy installation, widely used in auto repair, drywall and building anchoring with customizable services.

These hot-dip galvanized expansion screws are high-performance anchoring fasteners made of premium carbon steel and manufactured per GB/T standards. Featuring uniform anti-corrosion galvanized coating and strong expansion gripping force, they deliver stable, slip-proof fixing. Available in full M8-M24 sizes, suitable for home decoration, industrial construction, medical equipment and ship fitting installation.