Arrow Lock MK Series Entry Tudor Knob Lock Polished Brass Finish - 2-3/8in Backset - Keyway: AR1 - MK11TA03-300-111

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.

• ANSI/BHMA A156.2, Series 4000, Grade 2
• Federal Specifications FF-H-106C, Series 160

• Function: MK11 F109 (F81 & F82)/161A, 160A. Entrance/Office, Dead locking latch bolt operated by knob from either side except when outside knob is locked by pushing turn button inside. Key outside or operating inside knob releases turn button unlocking outside knob except when turn button has been rotated to keep outside knob locked. Inside turn button must be manually operated to unlock outside knob. Inside knob always operates latch bolt.
• Design: Tudor TA
• Finish: 605 US3A Polished Brass
• Backset: 2-3/8" (60.32mm) standard.
• 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" (60.32mm) backset measures 2-1/4" (5715mm) x 1" (25.40mm) with a flat front
• Strike: Brass,bronze or stainlesssteel. Standard "T" strike measures 2-3/4"(69.85mm) x 1-1/8"(28.57mm). All strikes have a 1-1/4"(31.75mm) lip to center dimension.
• Handing: Reversible
• Door Thickness: 1-3/8" (34.92mm) to 1-3/4" (44.45mm)
• Lock Chassis: Cold rolled steel with zinc dichromate finish for corrosion resistance Requires standard 2-1/8" (53.97mm) bore through door
• Cylinder: Solid brass 6 pin cylinder with Arrow "A" keyway, keyed to 5 pins. Supplied with two 5 pin brass keys