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

Arrow MK11-DD-05A-LC Grade 2 Entry/Office Knob Lock offers a blend of practicality and elegance, making it an ideal choice for commercial applications. This turn-pushbutton cylindrical lock features the stylish Darrin knob design and comes in an attractive antique brass finish, enhancing the aesthetic appeal of any door while ensuring durability. Constructed with a cold-rolled steel chassis and a zinc dichromate finish, this lock is built to resist corrosion, ensuring longevity even in demanding environments. The non-handed design simplifies installation on doors with a thickness ranging from 1-3/8" to 1-3/4". With a standard backset of 2-3/8" and an optional 2-3/4", the MK11 accommodates various door configurations. Key security features include a solid brass 6-pin cylinder, which can be masterkeyed and is supplied with two brass keys. The latch, featuring a 1/2" throw and a steel housing, provides reliable performance alongside a choice of brass, bronze, or stainless steel finishes for both the latch front and strike. The Arrow MK Series not only meets accessibility requirements but also offers a clean design that suits various commercial needs. With a UL listing and a 1-year warranty, the MK11-DD-05A-LC is a dependable choice for professionals seeking quality door hardware solutions.

Grade 2 Entry/Office Knob Lock

Grade 2 Turn-Pushbutton Entrance Cylindrical Lock, Darrin 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