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Silver rectangular aluminum padlock with hardened steel shackle

American Lock

American Lock A31KA Lockout Padlock KA Silver door lock

SKU CH-Z3N3-Y2NJG

Keyed-alike lockout padlock with an aluminium body and hardened boron-alloy steel shackle

  • Product typeMechanical Push Button
  • Keyed-alike convenience simplifies multi-lock access
  • Corrosion-resistant aluminum body withstands harsh environments
  • Hardened boron alloy shackle resists cutting attacks
  • Compact rectangular design fits tight lockout points
  • Mechanical push-button operation ensures reliable keyless entry

What the padlock is and who it is for

The American Lock A31KA is a silver aluminium lockout padlock with a hardened boron alloy steel shackle. It is keyed alike so multiple locks open with the same key, making it suited for maintenance teams that need consistent access during lockout procedures. Buyers who require unique keys per lock or an electronic locking mechanism will not be served by this model.

Thermals noise and power draw

As a purely mechanical device the padlock generates no heat, produces no audible noise and draws no electrical power. Its corrosion resistant finish protects the aluminium body and steel shackle in damp or outdoor environments without any energy input.

Behaviour under sustained load

The hardened boron alloy steel shackle resists cutting and prying forces during prolonged attack attempts. The non removable key design prevents key loss while the lock remains engaged, and the keyed alike cylinder maintains smooth operation after repeated locking cycles in industrial settings.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 80% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameAmerican Lock
Product typeMechanical Push Button

Questions about this item

How is the A31KA lockout padlock installed on a hasp or chain, and what step do people often miss?

Slide the 1/4 in hardened boron alloy steel shackle through the hasp or chain, then push the shackle fully into the lock body until the mechanical push-button mechanism clicks; the step often missed is verifying the shackle is completely seated so the keyed-alike cylinder engages.

What maintenance or replacement will the A31KA padlock need over time?

Periodically lubricate the mechanical push-button cylinder and shackle pivot with a dry PTFE spray to keep the corrosion-resistant aluminium body and hardened steel shackle operating smoothly; replace the padlock if the shackle shows deformation or the cylinder no longer turns cleanly.

What limit appears first when the A31KA padlock sees sustained outdoor use?

The aluminium body and hardened boron alloy shackle resist corrosion, but prolonged exposure to salt spray or chemical wash-downs will eventually degrade the protective finish, making surface pitting the first visible limit under heavy sustained use.

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