Tubular vs Cylindrical


The Falcon W replaced the Z lock in July 2006.  The Z lock was a cylindrical chassis.
 The 10-042 is an electric strike used for cylindrical and tubular latch sets.    VOLTAGE  24 VAC  12 VDC &n...
Cylindrical and Tubular Style  Grade 1: 800k Grade 2: 400k Grade 3: 200k  
Mortise Grade 1: 1 Million
Grade 2 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 400,000 Certified Cycles ANSI...
Refers to the basic mechanical foundation of a lock (mortise, cylindrical or tubular).