MK18-DD-04 Arrow Lock MK Series Communicating Classroom Knob with DD Design in Satin Brass Finish
The Arrow Lock MK18-DD-04 MK Series offers 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. This series are certified to BHMA A156.2, Series 4000, Grade 2, UL Listed.
Communicating classroom: Dead locking latch bolt operated by knob one side only except when knob is locked by key. Non removable blank trim outside.
Features and Benefits:
- Satin Brass finish
- Strike: T-strike, 1-1/8" x 2-3/4" standard
- Latch: 2-3/4" backset, 1-1/8" front standard
- Keyed on one side only
- ANSI: F113
- DD Knob-D wrought, Rose-B wrought
- Cylinder: 6-pin, keyed 5, solid brass, 2 brass keys standard
- Door thickness: Fits 1-3/8" - 1-3/4", factory set for 1-3/4"