Arrow MK01-DD-03-300-221 MK Series Cylindrical Knob Locks

Item #: MK01-DD-03-300-221 by Arrow

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Arrow MK01-DD-03-300-221 MK Series Cylindrical Knob Locks

Item #: MK01-DD-03-300-221 by Arrow

See reviews See reviews

$90.39 /each

SAVE UP TO 9.04

Buying in bulk

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Projection

2.3750

Finish

Bright Polished Brass

Grade

ANSI/BHMA Grade 2

Backset

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

Function

01-Passage

Door Thickness

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

Knob Diameter

2.0625

Strike

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

Bore Size

2.1250

Finish Description

Bright Polished Brass

Latch Number

221

Strike Number

300

Knob style

DD-Darin

Rose/Escutcheon Trim

Round Rose

Product Type

Cylindrical Lock

Standard Duty Cylindrical Knob - Passage Function - Darrin (DD) Knob - 300 T-Strike (1-1/8" x 2-3/4", 1-1/4" Lip, Square Corner) - 221 Spring Latch (1", Square Corner, UL, 2-3/8" Backset) - 03 Bright Brass Finish
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.