Best 8K 83K Locks

The Best 8K, 83K Cylindrical Door Lock meets or exceeds the following standards:

Certification ANSI A156.2 Series 4000, Grade 1 as certified in Builder Hardware Manufacturers Association directory as complying with this standard. (Formerly FF-H-00106C Series 161.)

Underwriters Laboratories Listed by Underwriters Laboratories for use on 3 hour, A label single swinging doors. GYJT Builders Hardware-Single point Locks or Latches