LD-179 Brass Cylinder Lock Core Replacement | Wholesale Supplier

The LD-179 Brass Cylinder Lock Core is a high-quality replacement cylinder designed for mortise locks, rim locks, and integrated handle lock sets across residential and commercial door applications. The cylinder body is machined from solid brass for excellent corrosion resistance and long service life, ensuring smooth key operation even after years of exposure to moisture and temperature variations. A 5-pin tumbler mechanism provides reliable anti-pick security with 50,000+ unique key combinations, making unauthorized duplication difficult. An hardened steel anti-drill pin positioned at the front of the keyway protects against drill-based forced entry attacks common in burglary attempts. The chrome-plated keyway ensures smooth key insertion and withdrawal while resisting wear from daily use. Available in 60mm, 70mm, and 80mm overall lengths to fit the vast majority of mortise lock bodies and rim cylinder housings used in international door hardware standards. Each cylinder ships with 3 precision-cut keys for homeowner convenience and a fixing screw for secure installation. The zinc alloy cam at the rear activates the lock latch mechanism and is available in standard and offset configurations. Whether replacing worn cylinders during door maintenance, rekeying locks after tenant turnover, upgrading security on commercial properties, or providing locksmith service inventory, the LD-179 brass cylinder lock core delivers professional-grade performance at wholesale pricing.