Arrow Lock MK04-BD-10B Grade 2 Patio Door Knob

Arrow MK04-BD-10B Grade 2 Patio Knob offers a blend of durability and style, making it an ideal choice for both commercial and residential applications. This non-keyed cylindrical lock features a ball knob design, beautifully finished in oil-rubbed bronze, which enhances any entryway while offering reliable performance. Designed for ease of use, the MK Series locks address accessibility needs without compromising on aesthetics. The cold-rolled steel chassis, complemented by a zinc dichromate finish, ensures corrosion resistance, while the lock’s non-handed construction provides versatile installation options. The backset is standardized at 2-3/8" but can be customized with additional backset options, ensuring compatibility with various door sizes ranging from 1-3/8" to 1-3/4" in thickness. This lock features a robust brass latch with a 1/2" throw and a latch housing designed for durability. The standard T-strike and faceplate contribute to a seamless fit, while the 6-pin solid brass cylinder is keyable for added security. With UL listing and a 3-hour fire rating, the Arrow MK04-BD-10B is built to meet high standards of safety and functionality. Experience the perfect balance of form and function with this reliable patio knob lock.

Grade 2 Patio Knob

Grade 2 Patio Cylindrical Lock, Ball Knob, Non-Keyed, 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