Arrow Lock MK12-BD-10BE-LC Grade 2 Storeroom Lock

Arrow MK12-BD-10BE-LC Grade 2 Storeroom Lock combines durability and elegance in a versatile cylindrical design. Crafted for commercial applications, this non-handed lock features a ball knob and a dark oxidized bronze finish, providing a stylish yet robust solution for storeroom access. Engineered with a cold-rolled steel chassis and zinc dichromate finish, the MK12 ensures corrosion resistance and longevity. It accommodates standard door thicknesses ranging from 1-3/8" to 1-3/4" and requires a 2-1/8" bore for installation. The lock's 1/2" throw brass latch, along with a reversible handing feature, enhances usability and adaptability across various door configurations. Designed with convenience in mind, this lock is compatible with a solid brass 6-pin cylinder keyed to 5 pins. It supports master keying options, allowing for flexible security arrangements. The MK Series offers a variety of finishes and functions, making it an excellent choice for projects where heavy-duty hardware may not be necessary. With a UL listing conforming to BHMA A156.2, Series 4000, Grade 2 standards, the Arrow MK12 offers both peace of mind and aesthetic appeal. Whether you are a designer, architect, or contractor, this lock meets accessibility requirements while maintaining a clean, professional look.

Grade 2 Storeroom Lock

Grade 2 Storeroom Cylindrical Lock, Ball Knob, Conventional Less Cylinder, Dark Oxidized 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