Arrow Lock MK12-DD-26D-LC Grade 2 Storeroom Knob Lock

Arrow MK12-DD-26D-LC Grade 2 Storeroom Knob Lock offers a reliable solution for commercial applications requiring enhanced accessibility. This Grade 2 cylindrical lock features the elegant Darrin knob design, crafted from durable materials, and finished in a sleek satin chrome that complements various architectural styles. Designed for ease of installation, it requires a standard 2-1/8" bore and accommodates doors with thicknesses ranging from 1-3/8" to 1-3/4". With a reversible, non-handed design, this lock provides flexibility for a variety of door configurations. The lock chassis is made from cold-rolled steel with a zinc dichromate finish, ensuring corrosion resistance and longevity. The latch, made of brass with a 1/2" throw, is housed in a sturdy steel casing, further enhancing its durability. Keying options are plentiful, as the lock comes with a solid brass 6-pin cylinder compatible with Arrow's "A" keyway, and it can be master keyed for added security. The MK12-DD-26D-LC meets UL and BHMA standards, making it a dependable choice for storerooms and offices. This lock not only enhances security but also integrates seamlessly into any commercial environment.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Darrin 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