Arrow Lock MK11-TA-26 Grade 2 Entry/Office Knob Lock

Arrow MK11-TA-26 Grade 2 Entry/Office Knob Lock combines practicality with style, making it an excellent choice for commercial settings. This Grade 2 turn-pushbutton entrance cylindrical lock features a Tudor knob design that offers both elegance and functionality. Its bright chrome finish not only enhances its aesthetic appeal but also provides durability against corrosion, thanks to the cold-rolled steel construction with a zinc dichromate finish. Designed to accommodate standard door thicknesses ranging from 1-3/8" to 1-3/4", the MK11-TA-26 is versatile and non-handed, allowing for easy installation. It requires a standard 2-1/8" bore and features a brass latch with a 1/2" throw, ensuring secure closure. The lock is equipped with a solid brass 6-pin cylinder, compatible with various competitive keyways and master keying options, and comes with two brass keys. With UL Listing BHMA A156.2, Series 4000, Grade 2, this knob lock also boasts a fire rating of 3 hours. Its simple yet effective design meets accessibility requirements, making it a reliable choice for architects and contractors. The MK Series offers a range of finishes and functions, making it suitable for diverse commercial applications.

Grade 2 Entry/Office Knob Lock

Grade 2 Turn-Pushbutton Entrance Cylindrical Lock, Tudor Knob, Conventional Cylinder, Bright 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