Arrow Lock MK12-TA-03-LC Grade 2 Storeroom Knob Lock

Arrow MK12-TA-03-LC Grade 2 Storeroom Knob Lock offers a reliable and stylish solution for commercial applications requiring a robust locking mechanism without the need for heavy-duty hardware. This Grade 2 cylindrical lock features a Tudor knob design and comes with a conventional less cylinder in a polished bright brass finish, ensuring both aesthetic appeal and durability. Constructed from cold-rolled steel with a zinc dichromate finish, this lock chassis is designed to resist corrosion. It accommodates standard door thicknesses from 1-3/8" to 1-3/4" and requires a standard 2-1/8" bore. With a 1/2" bolt projection and non-handed installation, the MK12-TA-03-LC is versatile for various setups. This storeroom lock is ideal for accessibility needs, providing a simple yet effective solution for secure areas. It features a solid brass 6-pin cylinder that can be masterkeyed for additional flexibility. The standard strike measures 2-3/4" x 1-1/8", ensuring compatibility with various door frames. With UL Listing and a limited one-year warranty, the Arrow MK12-TA-03-LC combines quality, functionality, and style, making it a trusted choice for architects, contractors, and building professionals seeking dependable door hardware.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Tudor Knob, Conventional Less Cylinder, Bright Brass 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