Arrow Lock MK12-BD-26D Grade 2 Storeroom Knob Lock

Arrow MK12-BD-26D Grade 2 Storeroom Knob Lock offers a reliable and stylish solution for commercial applications where heavy-duty hardware may not be necessary. Designed with a sleek satin chrome finish, this Grade 2 cylindrical lock features a ball knob and a conventional cylinder, making it both visually appealing and functional. Crafted from cold-rolled steel with a corrosion-resistant zinc dichromate finish, the MK12-BD is built to withstand daily use while ensuring durability. It accommodates door thicknesses of 1-3/8" to 1-3/4" and requires a standard 2-1/8" bore through the door. The reversible handing allows for versatile installation options, while the non-handed design simplifies the setup process. The solid brass 6-pin cylinder with an Arrow "A" keyway provides enhanced security and can be masterkeyed for added convenience. Supplied with two keys, this lock features a brass latch with a 1/2" throw, ensuring reliable operation. Ideal for storerooms and offices, the Arrow MK12-BD-26D combines functionality with a clean design, making it an excellent choice for building professionals and knowledgeable homeowners seeking dependable door hardware solutions. This product is UL Listed and comes with a one-year warranty, ensuring quality and peace of mind.

Grade 2 Storeroom Knob Lock

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