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

Arrow MK11-BD-05A-LC Grade 2 Entry/Office Knob Lock offers a robust yet elegant solution for your commercial locking needs. This Grade 2 turn-pushbutton cylindrical lock features a stylish ball knob design in an antique brass finish, ensuring both aesthetic appeal and functional reliability. With its non-handed configuration, installation is straightforward, accommodating standard door thicknesses of 1-3/8" to 1-3/4". Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis is built for durability and corrosion resistance. The MK Series is designed to meet accessibility requirements while providing versatile applications in office or entry settings. The lock comes with a solid brass 6-pin cylinder, compatible with master keying and supplied with two 5-pin brass keys for convenience. The standard backset measures 2-3/8", with options available up to 5", and a 1/2" throw latch that ensures secure closure. This lock is UL Listed, meeting BHMA A156.2, Series 4000, Grade 2 standards, and features a fire rating of 3 hours. Enjoy peace of mind with Arrow’s MK Series, perfect for those who prioritize both functionality and style in their security solutions.

Grade 2 Entry/Office Knob Lock

Grade 2 Turn-Pushbutton Entrance Cylindrical Lock, Ball Knob, Conventional Less Cylinder, 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