Arrow Lock MK18-BD-26D Grade 2 Classroom Communicating Instruction Hardware

Arrow MK18-BD-26D Grade 2 Communicating Classroom Lock combines functionality with a sleek design, making it an ideal choice for commercial applications. This Grade 2 backplate cylindrical lock features a durable ball knob and a conventional cylinder, all finished in a sophisticated satin chrome that enhances any door's aesthetic. Designed for accessibility, the MK Series offers versatile solutions that meet the demands of various environments without the need for heavy-duty Grade 1 hardware. Constructed from cold-rolled steel with a corrosion-resistant zinc dichromate finish, this lock chassis ensures longevity and reliability. It accommodates standard door thicknesses ranging from 1-3/8" to 1-3/4" and includes a brass latch with a 1/2" throw for secure closure. The lock is non-handed and reversible, allowing for easy installation on either side of the door. The Arrow MK18-BD-26D is equipped with a solid brass, 6-pin cylinder that can be master keyed, ensuring flexibility in key management. Supplied with two brass keys, this lock operates smoothly and meets the stringent standards of BHMA A156.2, Series 4000, Grade 2. For those seeking a reliable and efficient locking solution, the MK18-BD-26D stands out as a dependable choice.

Grade 2 Communicating Classroo

Grade 2 Backplate Classroom Cylindrical Lock, Ball Knob, Conventional 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