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Cylindrical Lock Bright Brass

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Arrow MK12-BD-03-LC Cylindrical Lock Bright Brass

Item #: MK12-BD-03-LC by Arrow

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Features
  • Lock Chassis – Cold rolled steel with zinc dichromate finish for corrosion resistance. Requires standard 2-1/8" (53.97mm) bore through door.
  • Backset – 2-3/8" (60.32mm) standard. 2-3/4" (69.85mm), 3-3/4" (95.25mm) and 5" (127mm) available.
  • Door Thickness – 1-3/8" (34.92mm) to 1-3/4" (44.45mm). Latch – Brass with 1/2" (12.7mm) throw.
  • Latch housing is steel, with zinc dichromate finish for corrosion resistance. 7/8" (22.225mm) bore in edge of door is required.
  • Latch Front – Brass, bronze or stainless steel. Standard faceplate for 2-3/8” (60.32.mm) backset measures 2-1/4” (57.15mm) x 1” (25.40mm) with a flat front, for 2-3/4” (69.85mm) backset standard faceplate measures 2-1/4” (57.15mm) x 1-1/8” (28.57mm) with beveled front 1/8” (3.17mm) in 2” (50.8mm).
  • Strike – Brass, bronze or stainless steel. Standard “T” strike measures 2-3/4" (69.85mm) x 1-1/8" (28.57mm). Optional ANSI A115.1 strike measures 4-7/8" (123.82mm) x 1-1/4" (31.75mm). All strikes have a 1-1/4" (31.75mm) lip to center dimension.
  • Handing– Reversible.
  • Cylinder, Standard – Solid brass 6 pin cylinder with Arrow “A” keyway, keyed to 5 pin for stock. Can be masterkeyed, grandmaster keyed and construction masterkeyed. Conventional cylinders are also available in a variety of competitive manufacturer’s keyways. Supplied with two 5 pin brass keys for stock. Available in Schlage CS keyway and other competitive keyways.

Color

Bright Brass

Color Code

605/US3

Fire Rated

3 Hours {A}

Origin

Mexico

Package Height

2.625

Package Length

7.5

Package Volume

68.90625

Package Width

3.5

Function

12-Storeroom

Handle Type

Knob

Rose Diameter

2-9/16 Inch

Strike

T-Strike, 1-1/8 Inch x 2-3/4 Inch, 1-1/4 Inch Lip, Sq Corner

Cylinder Type

Conventional Less Cylinder

Latch Throw

1/2 Inch

Finish Description

Bright Polished Brass

ANSI Function

F86

Latch Number

111

Latch Type

Deadlatch

Strike Number

300

Strike Type

T-Strike

ADA Compliant

No

Finish Family

Polished Brass

Knob style

BD-Ball

Strike Size

1-1/8" x 2-3/4"

Rose/Escutcheon Trim

Round Rose

Door Cross Bore

2.125 Inch

Standards

ANSI/BHMA A156.2; UL and CUL Listed; Federal Specification FF-H-106C

Cylinder Type Used

Less Cylinder

Function Description

Outside knob/lever always locked/rigid. Latchbolt retracted by key in outside knob/lever or by rotating inside knob/lever. Inside knob/lever always free. Deadlocking latchbolt.

Function Family

Storeroom

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

Product Type

Cylindrical Lock

Series

MK Series

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_67

Grade

ANSI/BHMA Grade 2

Application

Commercial

Hand

Reversible

Backset

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

Handing

Reversible

Warranty

1 year limited

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.