Arrow MK11-BD-03-LC-300-124Click To Copy MK Series Cylindrical Knob Locks Bright Polished Brass

Standard Duty Cylindrical Knob - Keyed Entrance/Office Function - Ball (BD) Knob - 300 T-Strike (1-1/8" x 2-3/4", 1-1/4" Lip, Square Corner) - 124 Dead Latch (1-1/8", Square Corner, UL, 2-3/4" Backset) - 03 Bright Brass Finish - Less Cylinder
MK SeriesCylindrical Locksets

Arrow MK Series offer the designer, architect and contractor simple solutions to accessibility requirements. Their clean designs, architectural finishes and available functions make them ideal for commercial applications where heavy duty grade one hardware may not be necessary.

Specifications: Certification:

• All Arrow MK Series locks are U.L. and c.U.L. listed for use on 3 hour, A label or lesser doors and are certified to conform to the requirements of ANSI/BHMA A156.2, Series 4000, Grade 2.

Lock Chassis:

• Cold rolled steel with zinc dichromate finish for corrosion resistance. Requires standard 2-1/8" (54mm) bore through door.

Backset:

• 2-3/8" (60mm) standard. 2-3/4" (70mm).

Door Thickness:

• 1-3/8" (35mm) to 1-3/4" (44mm).

Latch:

• Brass with 1/2" (13mm) throw. Latch housing is steel, with zinc dichromate finish for corrosion resistance.
• 7/8" (22mm) bore in edge of door is required.

Latch Front:

• Standard faceplate for 2-3/8" (60mm) backset measures 2-1/4" (57mm) x 1" (25mm) with a flat front, for 2-3/4" (70mm) backset standard faceplate measures 2-1/4" (57mm) x 1-1/8" (29mm) with beveled front 1/8" (3mm) in 2" (51mm).

Strike:

• Standard “T" strike measures 2-3/4" (70mm) x 1-1/8" (29mm).
• Optional ANSI A115.1 strike measures 4-7/8" (124mm) x 1-1/4" (32mm).
• All strikes have a 1-1/4" (32mm) lip to center dimension.

Handing:

• Reversible.

Cylinder:

• Standard : Solid brass, 6-pin, pinned 5, 2 brass keys. Options: Arrow A or sectional keyways, Schlage C keyway, master keying, prep for small format interchangeable core cylinder (cylinder not included).

Finishes:

• US3, US4, US5A, US10, US10B, US26, US26D.