Arrow Lock MK01-DD-05A Grade 2 Passage Knob

Arrow MK01-DD-05A Grade 2 Passage Knob offers a perfect blend of style and functionality, making it an excellent choice for commercial spaces. This Grade 2 cylindrical lock features the Darrin knob design and comes in a sophisticated antique brass finish that complements various architectural styles. Its non-handed design allows for flexible installation on doors with a thickness between 1-3/8" to 1-3/4", and it requires a standard 2-1/8" bore for easy fitting. Constructed from cold-rolled steel with a zinc dichromate finish, this lock is designed for durability and corrosion resistance. The brass latch has a 1/2" throw and is housed in a steel casing, ensuring reliable operation. The MK Series is ideal for environments where heavy-duty hardware is not necessary, providing a simple solution for accessibility needs. Key specifications include a 2-3/8" backset, a standard "T" strike, and a solid brass 6-pin cylinder that can be keyed to various systems, including master keying options. UL Listed for safety, the Arrow MK01-DD-05A combines reliability with aesthetic appeal, making it a smart choice for architects and contractors aiming for quality and design. Enjoy peace of mind knowing your spaces are secured with Arrow’s trusted hardware solutions.

Grade 2 Passage Knob

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