Tell Manufacturing - KC2381EMP 32D 234 T SCC Heavy Duty Commercial Entry Knob with a Cylindrical Latch, C Keyway, Tested ANSI Grade 2, Certified UL 3 Hour Rating, Square T Strike, CL100008 and CL500008 Ball Knob KC2300

This KC2300 series cylindrical commercial door knob is tested to ANSI A156.2 Grade 2 is tested to last over 400,000 cycles. A cylindrical chassis allows the wear to be on the mechanical body and not the latch for a longer lasting lever. This commercial heavy duty knob is best for heavy traffic areas and has a best in class 3 hour UL rating and can be used on fire doors. Round ball knob comes with a square T strike, 2 keys. This satin chrome keyed knob locks with a key on one side and is a C Keyway. By pushing in the lock button, the outside lever disengages until unlocked by key or the inside lever is turned. Typically used for garage doors, entry doors or bedroom doors, it can also be used on office doors, medical doors, security doors, apartment doors, and hotel doors Easy installation with a 2 3/4" backset that fits standard door prep. With a 6 pin C keyway there are 750,000 possible keying combinations.. Tell Manufacturing provides a full line of commercial products including commercial grade levers, commercial grade door knobs, commercial grade deadbolts, closers and exit devices, hinges, and assorted builders hardware. They offer cylindrical or tubular door hardware and entrway door locks. Cylindrical locks have a chassis or mechanical body instead of a spindle. The latch bolt for cylindrical locks only goes through the lock bore partially and connects to the chassis of the lock. Some cylindrical locks have thru bolts that help secure the lock to the door. Due to the mechanical construction of a cylindrical lock it makes them heavier duty than the light duty.  Tubular locks have two different pieces, the outside and the inside trim. The latch bolt for this style is continuous and goes all the way through the mounting hole or bore in the door. When installing the lock the spindle then goes through the latch. Tubular locks are considered to be light duty. All Tell levers are ADA compliant designed in a manner that is easily operated by those with disabilities, including lever size, projection from the door, etc. Door hardware includes double cylinder deadbolts and single cylinder deadbolts, levers, and knobs. Levers and knobs are offered in multiple functions including keyed, passage, privacy, and storeroom.