Arrow Lock MK31-TA-26D-IC Grade 2 Communicating Knob Loc

Arrow MK31-TA-26D-IC Grade 2 Communicating Knob Lock offers a robust yet stylish solution for commercial applications, designed to meet accessibility requirements without the need for heavy-duty hardware. This Grade 2 double cylinder cylindrical lock features a Tudor knob and comes in a sleek satin chrome finish that enhances any entrance. Crafted from cold-rolled steel with a zinc dichromate finish, the lock chassis ensures durability and corrosion resistance. It accommodates standard door thicknesses ranging from 1-3/8" to 1-3/4", and the 2-1/8" bore size is compatible with most door preparations. The reversible handing allows for versatile installation, while the solid brass cylinder with the Arrow "A" keyway provides excellent security options, including master keying capabilities. The MK Series is not only visually appealing but also functional, featuring a 1/2" throw latch and a standard 2-3/4" backset. It meets ANSI F80 standards for communicating locks and is UL listed for safety. Ideal for commercial use, the Arrow MK31-TA-26D-IC combines quality and sophistication, making it a reliable choice for both architects and contractors looking for practical, high-performance door hardware. With a one-year limited warranty, you can trust in its performance and durability.

Grade 2 Communicating Knob Loc

Grade 2 Double Cylinder Communicating Cylindrical Lock, Tudor Knob, SFIC Less Core, 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.

Resources

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