Arrow Lock MK12-BD-03-CS Grade 2 Storeroom Knob Lock

Arrow MK12-BD-03-CS Grade 2 Storeroom Knob Lock offers a reliable and stylish solution for your commercial locking needs. Featuring a durable ball knob design, this Grade 2 cylindrical lock is equipped with a conventional Schlage C keyway, ensuring compatibility and ease of access. Its bright brass finish not only enhances aesthetics but also provides corrosion resistance, thanks to the cold-rolled steel lock chassis with a zinc dichromate finish. This non-handed lock is perfect for storeroom applications, designed to accommodate doors with a thickness ranging from 1-3/8" to 1-3/4". The latch boasts a robust brass construction with a 1/2" throw, while the steel latch housing ensures long-lasting performance. The MK Series is available in various finishes and functions, making it a versatile choice for architects and contractors alike. Installation is straightforward, requiring a standard 2-1/8" bore through the door. The lock includes a solid brass 6-pin cylinder, keyed to 5 pins for stock, and supports master keying options. With a UL listing and a limited one-year warranty, the Arrow MK12-BD-03-CS is a trusted choice for enhancing security in commercial environments.

Grade 2 Storeroom Knob Lock

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