SM1850-FBM Commercial Door Hardware Silver SM1850 Mechanical Storefront Door Loc
Purpose-built as a seamless retrofit for the industry-standard Adams Rite MS1850S, it preserves the heavy-duty security of a deadbolt with a 1-1/8″ hook bolt while upgrading your operation with patented Twist-to-Lock convenience: staff can lock the door from outside with a simple turn—no key, no code—yet only the owner’s physical key grants re-entry, eliminating the risks of copied keys or leaked access codes.
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It maintains heavy-duty deadbolt security while adding modern, keyless locking convenience. STAY-OPEN & STAY-CLOSE (BETTER THAN ADAMS RITE 4510) Upgrade from the clunky Adams Rite 4510. More importantly, it features a Stay-Close (Anti-Pick) mode: Unlike the 4510’s vulnerable latch bolt, our deadbolt with built-in night latch provides an unpickable physical barrier that requires no extra latch guards.
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