Arrow Lock MK11-DD-03-LC Grade 2 Entry/Office Knob Lock

Arrow MK11-DD-03-LC Grade 2 Entry/Office Knob Lock combines functionality with a sleek design, making it an ideal choice for commercial settings. This Grade 2 turn-pushbutton entrance cylindrical lock features the elegant Darrin knob and comes with a bright brass finish, lending a polished look to any door. Its non-handed design allows for easy installation on various door orientations, catering to diverse accessibility needs. Constructed from cold-rolled steel with a corrosion-resistant zinc dichromate finish, the lock chassis ensures durability. It fits standard doors with a thickness ranging from 1-3/8" to 1-3/4", and requires a standard 2-1/8" bore. The adjustable backset options, including 2-3/8" and 2-3/4", provide flexibility for various installations. This lock also features a solid brass latch with a 1/2" throw, ensuring secure closure. With a 6-pin cylinder and compatibility for master keying, it offers enhanced security options. UL listed and fire-rated for 3 hours, the Arrow MK11 provides peace of mind alongside its stylish appearance, making it an essential addition to any commercial space.

Grade 2 Entry/Office Knob Lock

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