Master Lock 81KR-OEM Key Blank

Product Name: Key Blank – Standard Uncut Key

This high-quality key blank is designed for locksmiths, hardware stores, and DIY enthusiasts. Crafted from durable brass or nickel-plated brass for long-lasting performance, it is compatible with a wide range of residential, commercial, and automotive locks depending on the keyway.

Ideal for duplication, the blank features a smooth, uncut blade that can be easily customized using standard key cutting machines. Its universal sizing and dependable fit make it a must-have for professional rekeying, replacement, or emergency spares.

Features:

• Type: Uncut key blank
• Material: Brass / Nickel-plated brass
• Compatible with Manufacturers & Product Specifications:

  Shop genuine Master Lock 81KR OEM key blanks at our brand, high-quality replacement blanks designed for Master Lock padlocks, utility locks, and security applications. The 81KR 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 81KR OEM provides smooth cutting, accurate duplication, and dependable everyday performance. Commonly cross-referenced to M4 and 1092V key blank profiles, this key blank is widely used in Master Lock products found in residential, commercial, industrial, and maintenance environments.

  The 81KR OEM key blank fits various products manufactured by Master Lock, including many padlocks, security locks, storage locks, and utility applications that utilize the M4 keyway. Ideal for locksmiths, maintenance departments, property managers, schools, facilities, and business owners who need reliable replacement keys for Master Lock systems. and consistent OEM quality guaranteed.

  Cross References

  • Master Lock: 81KR
  • Ilco: 1092V
  • Keyway: M4
  • 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
• For use with standard key duplication equipment
• Rust-resistant and durable
• Ideal for locksmiths, maintenance, and property managers