Arrow Lock MK12-BD-15 Grade 2 Storeroom Knob Lock

Arrow MK12-BD-15 Grade 2 Storeroom Knob Lock offers a robust solution for commercial needs with its Grade 2 rating and stylish ball knob design. Crafted from cold-rolled steel with a corrosion-resistant zinc dichromate finish, this cylindrical lock is built to withstand the rigors of daily use while maintaining its aesthetic appeal. The MK Series is designed for accessibility, making it an ideal choice for architects and contractors. Its non-handed design allows for easy installation, fitting door thicknesses ranging from 1-3/8" to 1-3/4". The standard backset measures 2-3/8" and can be customized to fit various configurations. With a solid brass 6-pin cylinder featuring an Arrow "A" keyway, this lock can be masterkeyed for added security convenience. The lock’s brass latch, with a 1/2" throw, ensures reliable engagement, while the available finishes, including a sleek satin nickel, enhance its versatility for various commercial applications. The MK12-BD-15 is UL listed and includes a one-year limited warranty, ensuring peace of mind for both installation professionals and end users. Choose Arrow for a dependable, stylish, and efficient locking solution.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Ball Knob, Conventional Cylinder, Satin Nickel 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