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

Arrow MK17-BD-26D-CS Grade 2 Classroom Knob Lock offers a reliable and stylish solution for commercial applications where heavy-duty locks are not required. Designed with a ball knob and featuring a conventional Schlage C keyway cylinder, this lock combines functionality with a sleek satin chrome finish that complements various architectural styles. The non-handed design ensures easy installation on doors with a thickness ranging from 1-3/8" to 1-3/4". Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis provides robust corrosion resistance, making it ideal for high-traffic areas. The 1/2" throw brass latch enhances security while the standard 2-1/8" bore hole simplifies installation. With adjustable backset options of 2-3/8", 2-3/4", and more, this lock meets diverse needs. The MK Series is designed to meet accessibility requirements while maintaining a clear, modern aesthetic. It includes two 5-pin brass keys and is masterkeyable, offering flexibility for multiple key systems. Backed by a one-year limited warranty, the Arrow MK17-BD-26D-CS is a dependable choice for any commercial project, ensuring both safety and style.

Grade 2 Classroom Knob Lock

Grade 2 Classroom Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway, 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