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

Arrow Lock MK17-TA-26D-LC Grade 2 Classroom Knob Lock delivers a robust solution for commercial settings while ensuring ease of accessibility. This Grade 2 cylindrical lock features a Tudor knob design and a sleek satin chrome finish, enhancing both functionality and aesthetics. Engineered for durability, the lock chassis is constructed from cold-rolled steel with a corrosion-resistant zinc dichromate finish. Designed to fit standard doors with a thickness of 1-3/8" to 1-3/4", this non-handed lock accommodates a backset of 2-3/8", with other options available. Its brass latch includes a 1/2" throw, ensuring a secure closure every time. The lock is compatible with a standard 2-1/8" bore and requires a 7/8" latch bore in the door's edge. The Arrow MK Series is ideal for environments where heavy-duty hardware isn’t necessary, making it a practical choice for classrooms and offices. Its solid brass 6-pin cylinder provides superior security and can be masterkeyed for added flexibility. With a UL Listing for safety and a limited one-year warranty, the Arrow MK17-TA-26D-LC is a reliable and stylish choice for any commercial application.

Grade 2 Classroom Knob Lock

Grade 2 Classroom Cylindrical Lock, Tudor 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