Arrow Lock MK11-BD-05A-CS Grade 2 Entry/Office Knob Lock

Arrow MK11-BD-05A-CS Grade 2 Entry/Office Knob Lock offers a blend of style and functionality, making it an ideal choice for commercial applications. This Grade 2 turn-pushbutton cylindrical lock features a sleek ball knob design and a conventional Schlage C keyway, finished in an elegant antique brass that complements a variety of architectural styles. Designed for accessibility, the MK Series provides a reliable locking solution without the need for heavy-duty hardware. Its durable cold-rolled steel chassis with a zinc dichromate finish ensures corrosion resistance, while the brass latch with a ½" throw guarantees smooth operation. The lock accommodates standard door thicknesses from 1-3/8" to 1-3/4", making it versatile for various installations. With reversible handing and a standard 2-1/8" bore requirement, this lock is easy to install. The included solid brass 6-pin cylinder can be masterkeyed, and it comes with two brass keys for convenience. Additionally, the MK11-BD-05A-CS is UL listed and fire-rated for up to three hours, ensuring safety and compliance in commercial spaces. Whether for new construction or renovation, the Arrow MK Series provides an aesthetically pleasing and accessible locking solution for any office or entryway.

Grade 2 Entry/Office Knob Lock

Grade 2 Turn-Pushbutton Entrance Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway, Antique 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