We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Blue steel lockout padlock with boron alloy shackle and weather cover

Master Lock

Master Lock 6121KABLU Lockout Padlock Blue 1 1/8 in

SKU CH-26R8-0KY63

A steel lockout padlock with a boron alloy shackle, keyed alike for consistent access, and a weather-tough cover for outdoor use

  • TypeTraffic & Parking Lot
  • Keyed alike simplifies lock management
  • 5/16 in boron alloy shackle resists cutting
  • 1 1/8 in shackle clearance fits hasps
  • Weather tough cover protects outdoor use
  • Laminated steel body withstands heavy impact

Safety Padlock for Lockout Procedures

The Master Lock 6121KABLU is a keyed-alike padlock designed for industrial lockout programmes. Its blue laminated steel body and boron alloy shackle resist cutting and corrosion in outdoor environments. Maintenance teams and safety officers use it to isolate energy sources during equipment servicing.

Weather Cover and Keyed-Alike Convenience

A weather-tough cover shields the cylinder from moisture and debris, keeping the mechanism reliable in exposed locations. Keyed-alike configuration means a single key opens every padlock in the set, reducing the number of keys personnel must carry during shift handovers.

Steel Body with Boron Shackle for Outdoor Use

The 1 1/8 inch open shackle fits standard lockout hasps and valve covers, while the laminated steel body withstands impact. Boron alloy shackle material adds hardness against bolt-cutter attacks, and the blue colour coding helps crews identify lockout points at a glance.

Highlights

  • Keyed alike simplifies lock management
  • 5/16 in boron alloy shackle resists cutting
  • 1 1/8 in shackle clearance fits hasps
  • Weather tough cover protects outdoor use
  • Laminated steel body withstands heavy impact

Specifications

BrandMASTER LOCK
TypeTraffic & Parking Lot

Questions about this item

Will the boron-alloy shackle need replacement after heavy outdoor use?

The boron-alloy shackle is built for outdoor exposure and the weather-tough cover protects the mechanism, so no routine shackle replacement is expected.

What stops the lock from working first when it is used continuously outside?

The laminated steel body and boron-alloy shackle resist corrosion, so the weather-tough cover is the first part that may degrade after prolonged outdoor service.

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

This is a passive mechanical padlock with no moving electronics, so it produces no heat and no audible noise during continuous outdoor use.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.