Master Lock Security Products

Master Lock is a name that shows up wherever something needs to stay shut and safe — supply closets, medication carts, storage cabinets, lockers, and equipment cages. For medical and facility settings, that reliability matters: securing controlled substances, protecting expensive diagnostic equipment, and keeping general storage organized all depend on locks that hold up to daily handling and won't fail when you need them.

This collection brings together padlocks, combination locks, and related security hardware from a brand recognized for durability. Buyers typically weigh a few things before choosing. Do you want a keyed padlock or a combination model? Keyed locks suit environments where a limited number of staff carry keys; combination locks avoid the hassle of lost keys and work well for shared lockers or rotating access. Consider the shackle — its diameter and clearance determine what it will fit through, whether that's a cabinet hasp or a rolling cart. And look at the body material: solid brass and hardened steel resist corrosion and cutting, which is why they hold up in high-traffic clinical and storage areas.

For facility managers, weather resistance is another common question. Locks used on outdoor gates, sheds, or supply enclosures should be rated for exposure to moisture and temperature swings, while interior applications can prioritize convenience and quick access over heavy-duty weatherproofing.

Matching the lock to the job — not just grabbing the sturdiest option — keeps both budget and daily workflow in balance. A quick-access combination lock on a frequently opened locker saves time; a heavy hardened padlock belongs on the things you rarely open but absolutely must protect.

Browse the full range to find the right fit for your storage and security needs.