Stanley / BEST 8K37R 4D-S3-626 Grade 1 Classroom Knob Lock - D Convex Round Rose - Satin Chrome

Stanley / BEST 8K-3-7-R-4D-S3-626 Grade 1 Classroom Knob Lock Satin Chrome

Latch operated by:Rotating the inside knob. Turning the key in the outside knob. Rotating the outside knob when not locked by key

Outside Lever Locked by:Turning the key in the outside knob

Outside Lever Unlocked by:Turning the key in the outside knob

Inside Lever Locked by:Cannot be locked

Inside Lever Unlocked by:Always unlocked

Materials:Internal parts are brass or corrosion-treated steel.

Chassis:2 1⁄16" diameter to fit 2 1⁄8" hole in door.

Backset:2 3⁄4" standard, 3 3⁄4" and 5" available.

Latch:9⁄16" throw. Front 2 1⁄4"  x 1 1⁄8" beveled. Latch housing fits 1" hole in edge of door.

Knobs:Diameter Projection from door 2 7⁄8", Knob Material - Machined from solid brass or bronze.

Roses:All roses are brass or bronze reinforced with steel liner. Roses are threaded to chassis. "D" - convex round, 3 3⁄8" diameter

Door Thickness:Adjustable from 1 3⁄8" to 2" standard.

Strike:(S3) 4 7⁄8" x 1 1⁄4" with curved lip and box available (ANSI A115.2)

Finish:626 - satin chromium plated

Model:Best Stanley 8K37R4DS3626

The 8K Cylindrical Lock meets or exceeds the following standards: Builders Hardware Manufacturers Association: 8K series Listed by BHMA for A156.2, Series 4000, Grade 1. Underwriters Laboratories : 8K series Listed by Underwriters Laboratories for use on 3 Hr, A label for single or double swinging doors.  California State Fire Marshal: 8K series Listed with California State Fire Marshal.

Related Categories

• Cylindrical Knob Locks