Corbin Russwin CK4451 Standard Duty Commercial Entrance/Office Knob Lock

Standard Duty Commercial Entrance/Office Knob Lock Photo

Corbin Russwin CK4451 Standard Duty Commercial Entrance/Office Knob Lock

SKU: CK4451 The Corbin Russwin CK4451 Entrance knob is a Grade 2 standard-duty knob lockset which provides an outstanding combination of value and performance. It's the ideal knob lockset for standard commercial and residential applications.

Overview
Tech Specs

Instructions & Templates

Standard Duty Commercial Entrance/Office Knob Lock

Serial no. / SKU: CK4451

Product Overview

Standard duty cylindrical entrance key in knob lockset
Door Thickness -1-3/8" - 1-3/4".
Meets A156.2 Series 4000, Grade 2
2-3/4" backset standard.
Latchbolt-stainless steel, 1/2" throw with 2-1/4" x 1-1/8" front
Strike-ANSI curved lip standard, 4-7/8" x 1-1/4" x 1-1/4" lip.
Cylinder-6-pin Corbin keyways, 0 bitted, ready to be keyed, less cylinder

Standard Duty Commercial Entrance/Office Knob Lock

Serial no. / SKU: CK4451

Technical Specifications

Listed for A Label and lesser class single doors, 4' x 8'.
Function -Entrance/Office -ANSI F81/82.
Deadlocking latchbolt by knob either side, except when turn button locks outside knob.
Pushing turn button in locks outside knob, requiring use of key outside to unlock.
Turning inside knob unlocks outside knob.
Pushing in and turning button locks outside knob, requiring key at all times.
Turning inside knob does not unlock outside knob until button is manually turned to unlocked position.
Inside knob always free.
Avaliable as a special order with other finishes, knob styles and backset. Contact us directly to arrange your special order.