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

Arrow MK33-TA-03 Grade 2 Asylum Function Knob offers a reliable locking solution designed for commercial applications where heavy-duty hardware is not necessary. This Grade 2 cylindrical lock features a Tudor knob design, crafted with a bright brass finish that adds a touch of elegance while ensuring durability. The lock's non-handed design allows for easy installation on various door configurations. Constructed with a cold-rolled steel chassis and a zinc dichromate finish, the MK33-TA-03 provides excellent corrosion resistance, making it suitable for diverse environments. It accommodates standard door thicknesses between 1-3/8" and 1-3/4" and requires a 2-1/8" bore for installation. The latch boasts a brass construction with a 1/2" throw for secure locking, and the housing is designed to withstand everyday use. Equipped with a solid brass 6-pin cylinder, this lock is keyed to a 5-pin standard and offers options for master keying, grandmaster keying, and construction master keying. Supplied with two brass keys, it also features a reversible handing for added flexibility. The Arrow MK33-TA-03 combines functionality and aesthetic appeal, making it an ideal choice for architects, contractors, and building professionals.

Grade 2 Asylum Function Knob

Grade 2 Asylum Cylindrical Lock, Tudor Knob, Conventional Cylinder, 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