Arrow Lock MK12-BD-10-CS Grade 2 Storeroom Knob Lock

Arrow MK12-BD-10-CS Grade 2 Storeroom Knob Lock offers a robust solution for commercial applications where heavy-duty hardware is not essential. Designed with a sleek satin bronze finish, this Grade 2 cylindrical lock features a ball knob design that is both functional and aesthetically pleasing. Its non-handed configuration allows for flexible installation, accommodating various door thicknesses from 1-3/8" to 1-3/4". Constructed from cold-rolled steel with a zinc dichromate finish, the MK12 ensures corrosion resistance, making it ideal for storeroom use. The lock operates using a conventional Schlage C keyway, and the solid brass 6-pin cylinder can be easily master keyed for enhanced security options, supplied with two brass keys. Installation is straightforward, requiring a standard 2-1/8" bore through the door, with a backset of 2-3/8". This lock also meets UL standards and has a fire rating of 3 hours, providing peace of mind in safety compliance. The MK Series presents a blend of simplicity and elegance, making it a preferred choice for designers, architects, and contractors seeking reliable accessibility solutions without compromising on style or performance. With a limited 1-year warranty, the Arrow MK12 is a dependable addition to your door hardware lineup.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway, Satin Bronze 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