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

Arrow MK12-BD-10-LC Grade 2 Storeroom Knob Lock offers a robust yet elegant solution for commercial spaces needing efficient access control. Designed with a ball knob, this Grade 2 cylindrical lock is crafted from cold-rolled steel and features a satin bronze finish, ensuring both durability and aesthetic appeal. Its non-handed design allows for easy installation on doors with a thickness between 1-3/8" and 1-3/4", making it versatile for various applications. The MK Series is known for its accessibility and clean lines, making it ideal for environments that do not require heavy-duty hardware. The latch, constructed from brass with a 1/2" throw, is complemented by a steel latch housing finished with zinc dichromate for enhanced corrosion resistance. This lock operates with a standard 6-pin solid brass cylinder, ensuring secure access with the ability to be masterkeyed. Installation is straightforward, requiring a standard 2-1/8" bore through the door, and it accommodates several backset options, including 2-3/8" and 2-3/4". With a fire rating of up to 3 hours, the Arrow MK12-BD-10-LC is a reliable choice for storerooms and offices, blending functionality with style.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Ball Knob, Conventional Less Cylinder, 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