Arrow Lock MK11-DD-26D-LC Grade 2 Entry/Office Knob Lock

Arrow MK11-DD-26D-LC Grade 2 Entry/Office Knob Lock combines functionality and style for commercial applications. This Grade 2 turn-pushbutton cylindrical lock features the elegant Darrin knob design, offering a sophisticated satin chrome finish that enhances any entryway. Ideal for environments where heavy-duty hardware isn't necessary, the MK Series provides a practical solution to accessibility requirements while maintaining a clean aesthetic. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis ensures durability and corrosion resistance. It accommodates door thicknesses ranging from 1-3/8" to 1-3/4" and requires a standard 2-1/8" bore through the door. The non-handed design allows for versatile installation, while the solid brass 6-pin cylinder supports master-keying options for added security. The MK11-DD-26D-LC includes a brass latch with a 1/2" throw and is available in various backset options to suit different door configurations. UL Listed for safety, this lock delivers peace of mind alongside its stylish design. With a 1-year limited warranty, the Arrow MK11-DD-26D-LC is a reliable choice for contractors and building professionals seeking quality and performance in door hardware.

Grade 2 Entry/Office Knob Lock

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