Arrow Lock MK13-BD-03 Grade 2 Exterior Knob Lock

Arrow MK13-BD-03 Grade 2 Exterior Knob Lock delivers a robust solution for commercial applications requiring reliable security without the need for heavy-duty hardware. This pushbutton entrance cylindrical lock features a stylish ball knob design and is finished in bright brass, offering both durability and aesthetic appeal. Its non-handed design ensures easy installation on doors of varying thicknesses, ranging from 1-3/8" to 1-3/4". Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis is built to resist corrosion, making it suitable for exterior use. The standard 2-1/8" bore is a common size that simplifies installation. The lock’s solid brass 6-pin cylinder can be masterkeyed, granting flexibility in access control, while two included keys provide immediate usability. With a grade 2 rating, this lock meets industry standards for quality and security, featuring a 1/2" throw latch and a standard T strike for easy integration into existing door hardware. The MK13-BD-03 is an ideal choice for architects and contractors seeking aesthetically pleasing and functional solutions that comply with accessibility requirements. This lock is UL listed, ensuring peace of mind in safety and performance.

Grade 2 Exterior Knob Lock

Grade 2 Pushbutton Entrance Cylindrical Lock, Ball 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