Arrow Lock MK17-BD-26D-LC Grade 2 Classroom Knob Lock

Arrow MK17-BD-26D-LC Grade 2 Classroom Knob Lock combines functionality and style, making it an ideal choice for commercial applications where heavy-duty hardware is not required. Featuring a robust ball knob design and a sleek satin chrome finish, this cylindrical lock is non-handed, ensuring easy installation on a variety of doors. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis offers superior corrosion resistance. It accommodates standard door thicknesses ranging from 1-3/8" to 1-3/4" and requires a 2-1/8" bore through the door for installation. The brass latch with a 1/2" throw provides reliable security, while the latch housing is steel with a corrosion-resistant finish. The MK Series is designed to meet accessibility requirements without sacrificing aesthetic appeal. Available in multiple finishes and functions, this lock suits various commercial needs. With a solid brass 6-pin cylinder featuring an Arrow "A" keyway, it can be masterkeyed for added convenience. The lock is UL listed and meets BHMA A156.2 standards for durability. Whether you're an architect, contractor, or knowledgeable homeowner, the Arrow MK17-BD-26D-LC offers a reliable and stylish solution for your door hardware needs.

Grade 2 Classroom Knob Lock

Grade 2 Classroom Cylindrical Lock, Ball 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