Arrow Lock MK33-BD-10 Grade 2 Asylum Function Knob

Arrow MK33-BD-10 Grade 2 Asylum Function Knob offers a robust and reliable locking solution tailored for commercial applications where heavy-duty hardware may not be necessary. This Grade 2 cylindrical lock features a stylish ball knob design and is finished in a sleek satin bronze, ensuring it complements various architectural styles while meeting accessibility requirements. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis provides superior corrosion resistance. It accommodates a standard 2-1/8" bore through the door and is available in various backset options, including 2-3/8" and 2-3/4". The MK Series is designed for doors with a thickness ranging from 1-3/8" to 1-3/4", making it versatile for different installations. With a solid brass 6-pin cylinder, the MK33-BD-10 is easily keyable to match existing systems and comes with two brass keys. This lock also features a reversible handing, making it adaptable for left or right-handed doors. Certified under ANSI F87, it meets rigorous standards for quality and durability. The Arrow MK33-BD-10 is an excellent choice for those seeking a reliable locking system that combines functionality with aesthetic appeal.

Grade 2 Asylum Function Knob

Grade 2 Asylum Cylindrical Lock, Ball Knob, Conventional Cylinder, Satin Bronze 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