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Master Lock

Master Lock Non Rekeyable Padlock Steel Keyed Different

SKU CH-JN57-EX8CT

Steel commercial padlock with a 5-pin cylinder and long shackle, keyed differently for individual access

  • TypeCommercial
  • Commercial-grade steel body resists forced entry
  • Five-pin Master K81 cylinder provides pick resistance
  • Keyed-different system ensures unique access per lock
  • Long shackle design fits oversized hasps and chains
  • Non-rekeyable construction eliminates unauthorised key duplication

Commercial Steel Padlock

The Master Lock padlock is a commercial-grade security device built with a solid steel body and hardened steel shackle. It uses a 5-pin cylinder with a Master K81 keyway and is supplied keyed different, so each lock opens only with its own unique key. The rectangular body measures 1 3/4 in high and wide by 7/8 in thick, while the long shackle provides 1 1/2 in of vertical clearance and 3/4 in of horizontal space.

Keyed Different Convenience

Because the cylinder is non-rekeyable and each unit ships with a unique key code, there is no need for a control key or key registration. The package includes two keys cut to the 10R41 code, allowing immediate use without a locksmith. This setup suits installations where every lock must operate independently, such as separate storage units, toolboxes or gate latches.

Steel Build and Long Shackle

The all-steel construction resists cutting and prying, and the dual bumper design cushions the shackle against the body during handling. The long shackle extends reach for thicker hasps, chains or overlapping hardware, while the 5/16 in diameter fits standard padlock eyes. No weather-resistant coating is applied, so outdoor use in exposed locations should be evaluated against local conditions.

Highlights

  • Commercial-grade steel body resists forced entry
  • Five-pin Master K81 cylinder provides pick resistance
  • Keyed-different system ensures unique access per lock
  • Long shackle design fits oversized hasps and chains
  • Non-rekeyable construction eliminates unauthorised key duplication

Specifications

BrandMaster Lock
TypeCommercial

Questions about this item

Will the 5-pin cylinder need servicing or replacement over time?

The 5-pin Master K81 cylinder is not rekeyable; if a key is lost or the mechanism wears, the entire padlock must be replaced.

What limits how long the hardened steel shackle resists a sustained attack?

The 5/16 in steel shackle and rectangular steel body provide high-security resistance, but prolonged cutting or prying can eventually defeat any padlock.

Does the lock mechanism generate heat or noise when left locked outdoors all day?

This is a purely mechanical padlock with no electronic parts, so it produces no heat and no operational noise regardless of how long it remains locked.

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