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

Arrow MK12-BD-26D-LC Grade 2 Storeroom Knob Lock offers a robust yet aesthetically pleasing solution for commercial applications. This Grade 2 cylindrical lock features a durable ball knob design, finished in satin chrome, which not only enhances accessibility but also complements a variety of architectural styles. Designed for easy installation, the MK12 is non-handed, making it versatile for any door configuration. The lock chassis is crafted from cold-rolled steel with a zinc dichromate finish, ensuring corrosion resistance and longevity. The standard backset is 2-3/8 inches, with options available up to 5 inches to suit different door specifications. It accommodates door thicknesses from 1-3/8 inches to 1-3/4 inches, and the latch features a ½ inch throw for secure closure. With a solid brass 6-pin cylinder, this lock can be masterkeyed and comes with two 5-pin brass keys for convenience. Additionally, the MK12 complies with ANSI F86 standards and is UL Listed for safety. Ideal for storeroom or office applications, this lock delivers reliability and style, making it a smart choice for building professionals and discerning homeowners alike.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Ball 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