The KEYMASTER 6000 series Cylindrical Lock is a heavy-duty, high-security locking solution designed for commercial and industrial applications requiring extra durability. Featuring an extended 75mm backset, it accommodates thicker doors, gates, or specialized entry points where standard locks fall short. The lock is built with a solid brass cylinder for corrosion resistance and smooth operation, paired with a hardened steel latch and strike plate for maximum tamper resistance. Available in antique copper (AC) and stainless steel (SS) finishes, it blends robust security with aesthetic versatility. Advanced anti-pick, anti-drill, and anti-bump mechanisms ensure defense against forced entry, while its heavy-duty construction withstands extreme use in warehouses, factories, or high-traffic facilities. Keyed-alike systems and bulk order options are available for unified access control. Ideal for industrial doors, storage units, or reinforced entryways demanding superior strength and longevity.

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