Arrow's MK Series offers security professionals simple solutions to accessibility requirements. The MK Series designs, architectural finish, and available function options make it ideal for commercial applications where heavy-duty Grade 1 hardware may not be necessary.
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) 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. 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, US10BE, US15, US26, US26D.
Warranty: 1 year limited
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