Arrow Lock MK12-BD-10B-CS Grade 2 Storeroom Knob Lock

Arrow MK12-BD-10B-CS Grade 2 Storeroom Knob Lock offers a robust and reliable solution for commercial applications needing a balance between accessibility and security. Designed with a ball knob and finished in an elegant oil-rubbed bronze, this Grade 2 cylindrical lock combines aesthetics with functionality. The non-handed design makes installation straightforward, accommodating doors ranging from 1-3/8" to 1-3/4" thick. Constructed from cold-rolled steel with a zinc dichromate finish, the lock chassis is engineered for corrosion resistance, ensuring durability in various environments. The conventional cylinder features a Schlage C keyway, providing flexibility with options for masterkeying. Supplied with two brass keys, this lock is ready to secure your space while offering peace of mind. The MK Series is ideal for those seeking simple yet effective solutions for storeroom and office needs, without the necessity for heavy-duty Grade 1 hardware. Its standard 2-1/8" bore and available backsets of 2-3/8" and 2-3/4" cater to diverse installation requirements. With a fire rating of 3 hours and UL listing, the Arrow MK12-BD-10B-CS ensures safety without compromising style. Elevate your security with this expertly crafted lock that meets modern accessibility standards.

Grade 2 Storeroom Knob Lock

Grade 2 Storeroom Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway, 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