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The MASTER LOCK CO M50XKADCCSEN is a heavy-duty disc padlock built from stainless steel for reliable performance in extreme weather conditions. Measuring 80mm (3-1/8 inches) in diameter, this Magnum series disc lock is designed for applications where standard padlocks are vulnerable to cutting, prying, or corrosion. The fully enclosed shackle design of a disc padlock provides significantly more shackle protection than open-shackle alternatives, making it a preferred choice for gate hasps, storage units, trailers, and shipping containers. Licensed tradespeople and facility maintenance professionals are the typical end users for this class of lock.
This disc padlock is suited for outdoor and semi-outdoor installations where moisture, salt air, and temperature extremes are ongoing concerns. Typical applications include securing roll-up doors on cargo trailers, fuel tanks, outdoor utility enclosures, and commercial storage units. The stainless steel construction resists rust and corrosion in coastal, industrial, and high-humidity environments. Uses Master Lock key blank K1BOX or Ilco blank M1 True Value 320-952 for key duplication.
Designed as an OEM-style replacement or direct-fit disc padlock for standard gate hasps and enclosed-shackle hasp hardware commonly used on trailers, storage units, and outdoor enclosures.
Installation requires no special tools beyond a compatible hasp or locking bar rated for disc-style padlocks. Ensure the hasp staple diameter is compatible with the shackle clearance of the disc lock before installation. Inspect the hasp mounting hardware for corrosion or structural damage prior to securing the lock. Follow applicable facility security codes and manufacturer hasp load ratings when selecting mounting hardware.
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