Arrow Lock MK01-DD-04 Grade 2 Passage Knob

Arrow MK01-DD-04 Grade 2 Passage Knob offers an efficient and stylish solution for commercial applications where heavy-duty hardware might not be necessary. This Grade 2 cylindrical lock features a sleek Darrin knob design and a beautiful satin brass finish, making it not only functional but also visually appealing. Its non-handed design ensures easy installation on doors ranging from 1-3/8" to 1-3/4" in thickness. Constructed with a cold-rolled steel lock chassis and zinc dichromate finish, the MK01-DD-04 is built for durability and corrosion resistance. The standard 2-1/8" bore is required for installation, and it accommodates a 2-3/8" backset, with other sizes available as needed. The 1/2" throw brass latch ensures reliable operation, while the reversible handing provides versatility for various configurations. With a UL listing and compliance to BHMA A156.2, Series 4000, Grade 2, this lock meets stringent safety standards. It comes with a standard solid brass 6-pin cylinder, ensuring security without a key. The Arrow MK01-DD-04 is the ideal choice for building professionals seeking quality, aesthetics, and accessibility in their hardware solutions.

Grade 2 Passage Knob

Grade 2 Passage Cylindrical Lock, Darrin Knob, Non-Keyed, Satin 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