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MK Series Cylindrical Knob Locks Bright Polished Brass

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Arrow MK11-BD-03-LC-306-121 MK Series Cylindrical Knob Locks Bright Polished Brass

Item #: MK11-BD-03-LC-306-121 by Arrow

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Features

Projection

2.6875

Finish

Bright Polished Brass

Grade

ANSI/BHMA Grade 2

Backset

2-3/8 Inch, 1 x 2-1/4 Inch, Square Corner

Function

11-Entrance/Office

Door Thickness

1-3/8" - 1-3/4"

Knob Diameter

2.2500

Strike

ANSI, 1-1/4 Inch x 4-7/8 Inch, 1-1/4 Inch Lip, Square Corner

Bore Size

2.1250

Cylinder Type

Conventional Less Cylinder

Finish Description

Bright Polished Brass

Latch Number

121

Strike Number

306

Knob style

BD-Ball

Rose/Escutcheon Trim

Round Rose

Product Type

Cylindrical Lock

Series

MK Series

Handing

Reversible

Warranty

1 year limited

Color Code

605/US3

Handle Type

Knob

Rose Diameter

2-9/16 Inch

Application

Commercial

Hand

Reversible

Latch Throw

1/2 Inch

ANSI Function

F109

Latch Type

Deadlatch

Door Cross Bore

2.125 Inch

Standards

ANSI/BHMA A156.2; UL and CUL Listed

Cylinder Type Used

Less Conventional

Function Description

Pushing and turning button on inside locks outside knob/lever requiring use of a key until button is manually unlocked.

Front Size

2-1/4" x 1"

Function Family

Entry/Entrance/Office

Latch bolt size

7/8 Inch

Strike Lip

1-1/4 Inch

Product Projection

3-1/8 Inch

Features

Lockset Shall Have No Exposed Screws; Disassembly of Lockset for Cylinder Removal shall not be Required Cylinder shall be Changed by Removing the Knob

Strike Type

ANSI Strike

ADA Compliant

No

Finish Family

Polished Brass

Manufacturer Parent

Assa Abloy

Latch Corner

Square

Knob/Lever Size

2-1/4 Inch

Latch Bolt Material

Brass

Knob Style Family

Ball Knob

Sub-Series

CL_Cylindrical_Locks_arrow_55

Strike Size

1-1/4" x 4-7/8"

Product Overview
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.