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Hardened Washer
Hardened Washers are heat-treated flat washers designed to distribute load and prevent embedding under high-strength bolts and nuts. They are manufactured to ASTM F436 and DIN 6916 standards for use with structural and heavy-duty fasteners. The hardened surface ensures durability, resistance to wear, and consistent torque during tightening. Available in flat, beveled, and oversized types, they meet the demands of structural steel connections. They are widely used in bridges, buildings, machinery, and heavy structural assemblies.

