Arrow Lock MK17-TA-26D-IC Grade 2 Classroom Knob Lock

Arrow MK17-TA-26D-IC Grade 2 Classroom Knob Lock offers a robust solution tailored for commercial applications where heavy-duty hardware is not a requirement. Featuring a Tudor knob design and a sleek satin chrome finish, this cylindrical lock combines aesthetic appeal with practical functionality. Designed to meet accessibility standards, it is non-handed, allowing for flexible installation on various door setups. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis ensures corrosion resistance and durability. The standard backset of 2-3/8" can be customized with options up to 5", accommodating door thicknesses ranging from 1-3/8" to 1-3/4". The lock’s brass latch provides a reliable 1/2" throw, while the 6-pin solid brass cylinder is keyable to a variety of competitive keyways, including Arrow's "A" keyway. This Grade 2 lock meets ANSI F84 standards for classroom functionality and is UL listed for safety and reliability. The MK17-TA-26D-IC is an ideal choice for educational and commercial spaces where both security and ease of use are paramount. Backed by a one-year limited warranty, it ensures a long-lasting performance that building professionals and homeowners can trust.

Grade 2 Classroom Knob Lock

Grade 2 Classroom Cylindrical Lock, Tudor Knob, SFIC Less Core, 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