Master Lock Key Blank K81-OEM

Shop genuine Master Lock K81 OEM key blanks at EasyKeys.com, high-quality replacement blanks designed for Master Lock padlocks, utility locks, and security applications. Commonly sold as the 81KR or 81KM, the K81 is a single-sided, 5-pin brass key blank stamped with the number "81". It fits Master Lock Pro-Series, padlocks, and locker locks (such as models 570, 530, and 991).

Manufactured to original equipment standards, the K81 OEM provides smooth cutting, accurate duplication, and dependable everyday performance. Commonly cross-referenced to M5 and 1092VM key blank profiles, this key blank is widely used in Master Lock products found in residential, commercial, industrial, and maintenance environments.

The K81 OEM key blank fits various products manufactured by Master Lock, including many padlocks, security locks, storage locks, and utility applications that utilize the M5 keyway. Ideal for locksmiths, maintenance departments, property managers, schools, facilities, and business owners who need reliable replacement keys for Master Lock systems. Fast shipping and consistent OEM quality guaranteed.

Cross References

• Master Lock: K81
• Ilco: 1092VM
• Keyway: M5
• Application: Master Lock Padlocks & Security Locks

Common Applications

• Master Lock padlocks
• Security locks
• Utility locks
• Storage unit locks
• Gate locks
• Commercial lock systems
• Industrial facilities
• Maintenance and facility management