Arrow Lock MK12-TA-05A Grade 2 Storeroom Knob Lock

Arrow MK12-TA-05A Grade 2 Storeroom Knob Lock combines security and style with its Tudor knob design and elegant antique brass finish. This Grade 2 storeroom cylindrical lock is engineered for commercial applications, providing a practical solution where heavy-duty hardware may not be required. Its non-handed configuration allows for easy installation on a variety of door types, making it versatile for contractors and architects alike. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis offers enhanced corrosion resistance, ensuring durability over time. It features a standard backset of 2-3/8" and accommodates door thicknesses from 1-3/8" to 1-3/4". The solid brass latch provides a robust 1/2" throw for reliable locking. Keying options are flexible, with the 6-pin solid brass cylinder featuring the Arrow "A" keyway and the possibility of master keying. Supplied with two brass keys, this lock is ready to secure your storeroom or office space efficiently. With its UL listing and BHMA certification, the Arrow MK12-TA-05A guarantees a reliable performance and meets industry standards for quality and safety.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Tudor Knob, Conventional Cylinder, Antique 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