Arrow MK15 Hotel Knob. Arrow MK Series offer the Security Professional 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.

Arrow MK15 Hotel Knob:

Dead locking latch bolt operated by knob from inside at alltimes.

Outside knob always inoperable.

Latch bolt operated by key from outside except when push button inside is operated thus shutting out all keys except emergency key.

Operating push button operates outside visual indicator showing room is occupied.

Operating inside knob or closing door releases indicator and shut out feature except when shut out is activated by turning inside button with spanner key.

Features

Lock Chassis: Cold rolled steel with zinc dichromate finish for corrosion resistance. Requires standard 2-1/8" (53.97 mm) bore through door.

Backset: 2-3/8" (60.32 mm) standard. 2-3/4" (69.85 mm), 3-3/4" (95.25 mm) and 5" (127 mm) available.

Door Thickness: 1-3/8" (34.92 mm) to 1-3/4" (44.45 mm)

Latch: Brass with 1/2" (12.7 mm) throw. Latch housing is steel, with zinc dichromate finish for corrosion resistance. 7/8" (22.225 mm) bore in edge of door is required.

Latch Front: Brass or bronze. Standard faceplate for 2-3/8" (60.32 mm) backset measures 2-1/4" (57.15 mm) x 1" (25.40 mm), with a flat front, for 2-3/4" (69.85 mm) standard faceplate measures 2-1/4" (57.15 mm) x 1-1/8" (28.57 mm), with a beveled front 1/8" (3.17 mm) in 2" (50.8 mm).

Strike: Brass, bronze or stainless steel. Standard “T” strike measures 2-3/4" (69.85 mm) x 1-1/8" (28.57 mm). Optional ANSI A115.1 strike measures 4-7/8" (123.82 mm) x 1-1/4" (31.75 mm). All strikes have a 1-1/4" (31.75 mm) 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.

Cylinder Options: Interchangeable Core-lockset prepared for use with 6 or 7 pin interchangeable cores. Supplied less core, but packed with 6 and 7 pin tailpieces. Will accept cores as manufactured by Best,™ Falcon™ and other similar style cores. Suffix “IC” to design.

Finish: US3, US4, US5A, US10, US10B, US26, US26D.

Certification

• ANSI/BHMA A156.2, Series 4000, Grade 2
• Underwriters Laboratories (UL and CUL) listed for use on 3 hour, A label single swinging doors.
• Federal Specifications FF-H-106C, Series 160