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

Arrow MK31-TA-26D-LC Grade 2 Communicating Knob Lock combines functionality with a sleek design, making it an excellent choice for commercial applications. This Grade 2 double cylinder cylindrical lock features a Tudor knob design and comes in a sophisticated satin chrome finish, ensuring it complements various architectural styles. The lock is non-handed, allowing for flexible installation on doors with a thickness ranging from 1-3/8" to 1-3/4". Engineered from cold-rolled steel with a zinc dichromate finish, the lock chassis offers superior corrosion resistance. The standard backset is 2-3/8", with additional options available to suit specific door requirements. The solid brass latch, boasting a 1/2" throw, enhances security, while the strike is available in brass, bronze, or stainless steel for added durability. The MK Series is designed to meet accessibility requirements and is ideal where heavy-duty grade one hardware is not necessary. With a standard 6-pin solid brass cylinder, this lock can be masterkeyed for added versatility. UL listed and backed by a one-year warranty, the Arrow MK31-TA-26D-LC is a reliable choice for professionals seeking quality and style in their door hardware solutions.

Grade 2 Communicating Knob Loc

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

Resources

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