Arrow Lock MK33-TA-03-IC Grade 2 Asylum Function Knob

Arrow MK33-TA-03-IC Grade 2 Asylum Function Knob combines functionality with a sleek design, making it a valuable addition for commercial applications. This Grade 2 cylindrical lock features a Tudor knob and a bright brass finish that enhances its aesthetic appeal while ensuring durability. Designed for accessibility, the MK Series offers a non-handed configuration, allowing for versatile installation across various door types. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis is built for corrosion resistance. It accommodates standard door thicknesses of 1-3/8" to 1-3/4" and requires a standard 2-1/8" bore. The latch, featuring a 1/2" throw, is crafted from brass, while the latch housing is made from steel, ensuring long-lasting performance. Security is a priority with the solid brass 6-pin cylinder, which can be master keyed or grandmaster keyed for added convenience. The lock also includes a standard "T" strike, making it compatible with various door frames. Rated for 3 hours of fire resistance and UL listed, the Arrow MK33-TA-03-IC is a reliable choice for institutional needs, promising both safety and style.

Grade 2 Asylum Function Knob

Grade 2 Asylum Cylindrical Lock, Tudor Knob, SFIC Less Core, Bright Brass 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