Arrow Lock MK17-BD-10B Grade 2 Classroom Knob Lock

Arrow MK17-BD-10B Grade 2 Classroom Knob Lock offers a robust solution for commercial applications where heavy-duty hardware is not required. This Grade 2 cylindrical lock features a convenient ball knob design and an oil-rubbed bronze finish, ensuring both durability and aesthetic appeal. Its non-handed configuration allows for versatile installation, accommodating various door orientations. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis resists corrosion, making it ideal for high-traffic environments. The standard 2-1/8" bore is compatible with standard door preparations, while the adjustable backset options (2-3/8", 2-3/4", 3-3/4", and 5") cater to diverse needs. Designed for doors between 1-3/8" and 1-3/4" thick, this lock features a solid brass latch with a ½" throw for reliable security. Equipped with a solid brass 6-pin cylinder, the Arrow MK17-BD-10B supports master keying options and comes with two brass keys. The lock is UL listed and meets ANSI/BHMA A156.2 standards, ensuring compliance and reliability. With a limited one-year warranty, this lock is an excellent choice for those seeking an effective and stylish locking solution for classroom and commercial settings.

Grade 2 Classroom Knob Lock

Grade 2 Classroom Cylindrical Lock, Ball Knob, Conventional Cylinder, Oil-Rubbed 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