Grade 2 Communicating Knob Lock by Arrow – Durable Door Hardware

Description

Arrow Lock MK31-TA-26D Grade 2 Communicating Knob Lock Instructions

Arrow MK31-TA-26D Grade 2 Communicating Knob Lock combines practicality with elegance, making it an ideal choice for various commercial applications. This Grade 2 double cylinder cylindrical lock features a Tudor knob design and a sleek satin chrome finish, ensuring both style and durability. The lock is non-handed, allowing for flexible installation in different door orientations. Designed to meet accessibility requirements, the Arrow MK Series offers a clean aesthetic and multiple functional options without the need for heavy-duty hardware. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis provides excellent corrosion resistance, making it suitable for high-traffic areas.The MK31-TA accommodates standard door thicknesses ranging from 1-3/8″ to 1-3/4″, with a 2-1/8″ bore hole required for installation. Its solid brass 6-pin cylinder features the Arrow “A” keyway, allowing for master keying options, and it comes with two brass keys. With a 1/2″ throw latch and robust strike options, this lock is UL Listed and meets BHMA A156.2 standards for security and reliability. Upgrade your door hardware with the Arrow MK31-TA-26D, where quality meets functionality for years to come.

Grade 2 Communicating Knob Loc

Grade 2 Double Cylinder Communicating Cylindrical Lock, Tudor Knob, Conventional Cylinder, Satin Chrome Finish, Non-handed

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.

The Arrow MK Series has a clear design and is a simple solution to accessibility requirements.

The MK Series is available in several finishes and functions that make them ideal for commercial applications where heavy duty grade one hardware may not be necessary.

• 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.

Attributes

Ansi: F80

Ansi Function: F80 – Communicating

Base Material: Brass, Bronze

Bolt Projection: 1/2″

Bore Hole Diameter: 2-1/8″

Box Depth Fraction: 7-1/2″

Box Height Fraction: 2-5/8″

Box Width Fraction: 3-1/2″

Burglar Rated: No

Commercial Residential: Commercial

Country of origin: Mexico

Cylinder Type: Conventional Cylinder

Cylinders Present: Double Cylinder

Door Thickness: 1-3/8″ to 1-3/4″

Finish: 626/US26D

Finish Family: Matte Silver

Fire Rated: 3 Hours {A}

Fire Rating: 3 Hours {A}

Function: 31-Communicating

Function Family: Communicating

Grade: Grade 2

Handing: Non-handed

Installation: Commercial

Keys: Cut

Latch Bore Diameter: 7/8″

Lever Knob: Knob

Lever Knob Design Name: Tudor

Leverknob Design: TA – Tudor Knob

Leverknob Design Family: Flat Knob

Limited Warranty: 1 Year Warranty

Lock Face Size: 1-1/8″ x 2-1/4″

Manufacturer Function: Communicating

Maximum Door Thickness: 1-3/4″

Minimum Door Thickness: 1-3/8″

Of Keys: 2

Origin: Mexico

Pack Height: 2.63″

Pack Length: 7.5″

Pack Qty: 1

Pack Volume: 68.91 in³

Pack Width: 3.5″

Pins: 6

Product Height: 2.63″

Product Length: 7.5″

Product Width: 3.5″

Projection: 2-7/16″

Rose Escutcheon: Rose

Roseescutcheon Design: 2-9/16″ Rose Diameter

Roseescutcheon Dimensions: 2-9/16″

Screws: Wood/Machine Screws

Series: MK Series Grade 2 Cylindrical Knob Locks

Ship Weight: 1.5 lbs.

Std Latch Backset Dim: 2-3/4″

Std Latch Number: 114

Std Latch Type: Deadlatch

Std Strike Height: 2-3/4″

Std Strike Number: 300

Std Strike Type: T-Strike

Std Strike Width: 1-1/8″

Strike Dimensions: 1-1/8″ x 2-3/4″

Subtype: Cylindrical Lock

Type: Locks, Cylinders, Cores, Keyblanks

Ul Listing: BHMA A156.2, Series 4000, Grade 2, UL Listed

Unit of Measure: Each

Resources

• MK Series Cut Sheet
• MK Series Dummy Knob Template
• MK Series Grade 2 Cylindrical Knob Locks Cut Sheet
• MK Series Template

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