The KEYMASTER 5000 series Cylindrical Lock is a high-security, heavy-duty locking solution designed for both commercial and residential applications. Available in a 28-50mm backset range, it accommodates various door thicknesses and installation needs. The lock is constructed with a solid brass cylinder for superior durability, smooth operation, and resistance to corrosion, ensuring long-lasting performance even in high-traffic environments. It features a hardened steel latch mechanism for enhanced strength and tamper resistance, with finish options in antique copper (AC) and stainless steel (SS) to complement different architectural styles. Engineered with anti-pick, anti-drill, and anti-bump technology, the KEYMASTER 5000 provides advanced protection against forced entry. Ideal for offices, schools, hospitals, and residential doors, this cylindrical lock combines robust security with a sleek, modern design.

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