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

Arrow MK11-BD-03-LC Grade 2 Entry/Office Knob Lock offers an ideal solution for commercial environments that require a balance of security and accessibility. This Grade 2 turn-pushbutton cylindrical lock features a durable ball knob design, making it user-friendly while maintaining a sleek, polished brass finish that enhances any door aesthetic. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis resists corrosion, ensuring longevity. Designed for doors with a thickness of 1-3/8" to 1-3/4", this lock supports a standard backset of 2-3/8" and is non-handed for versatile installation. The latch, made from brass, provides a dependable 1/2" throw, while the steel latch housing ensures robust performance. The Arrow MK Series is adaptable, featuring a reversible handing and compatibility with various keyway options, including masterkeying capabilities. It is UL Listed and meets BHMA A156.2, Series 4000, Grade 2 standards, providing peace of mind for commercial applications. With a 1-year limited warranty, the MK11-BD-03-LC lock is a smart investment for building professionals seeking reliability and style in door hardware.

Grade 2 Entry/Office Knob Lock

Grade 2 Turn-Pushbutton Entrance Cylindrical Lock, Ball 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