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

Arrow MK12-TA-26D-LC Grade 2 Storeroom Knob Lock offers an ideal solution for commercial applications requiring reliable security without the need for heavy-duty hardware. This Grade 2 cylindrical lock features a sleek Tudor knob design, complemented by a durable satin chrome finish that enhances both aesthetics and functionality. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis ensures corrosion resistance, making it perfect for various environments. The MK Series supports standard door thicknesses ranging from 1-3/8" to 1-3/4", and it accommodates a 2-1/8" bore through the door. The reversible handing allows for flexible installation, while the standard 2-3/8" backset ensures a versatile fit. Equipped with a brass latch featuring a 1/2" throw, this lock provides dependable security. The conventional less cylinder design includes a solid brass 6-pin cylinder, compatible with master keying systems. Supplied with two brass keys, the MK12-TA-26D-LC is both practical and user-friendly. This lock meets UL Listing BHMA A156.2, Series 4000, Grade 2 standards, and comes with a one-year limited warranty. For accessibility and style in commercial spaces, the Arrow MK12-TA-26D-LC is an exceptional choice.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom 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