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Half Thread Galvanized Hex Bolt UNF Grade 12.9 22mm 40-400mm Length
Description
Heavy-duty half-threaded hexagonal fasteners made from galvanized steel, designed for robust wood and metal assembly with UNF fine threading. Available in lengths from 40mm to 400mm with a high-strength Grade 12.9 rating.
Product Description
These premium half-threaded hexagonal bolts are engineered for demanding structural applications, serving as reliable fire protection hardware and general construction fasteners. Manufactured from high-quality galvanized steel, these bolts offer superior corrosion resistance and durability, making them ideal for both indoor and outdoor projects. The UNF (Unified Fine) thread type ensures a precise, tight fit, while the Grade 12.9 specification guarantees exceptional tensile strength and load-bearing capacity, meeting rigorous ASTM standards including A307, A325, and G5. Whether used for connecting metal frameworks or securing heavy-duty assemblies, their robust design allows for easy installation and disassembly using standard hex wrenches or screwdrivers.
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