The HK series Grade 1 Cylindrical Knob lock is designed and tested for the most robust applications for Grade 1 knob locksets. Backed by the Arrow 10 year warranty and Certified to BHMA Grade 1 it is the worry free solution when a Grade 1 knob lock is needed.
Lock Chassis – Cold rolled steel with zinc dichromate finish for corrosion resistance. Latch retractor is precision stainless steel. Requires standard 2-1/8" (53.97mm) bore through door.
Door Thickness – 1-3/8" (35mm) to 2" (50.80mm)
Latch – Stainless steel with 1/2" (12.7mm) throw. Latch housing is steel, zinc dichromate finish for corrosion resistance. 1" (25.4mm) bore in edge of door required.
Latch Front – Brass or stainless steel, 2-1/4" (57.15mm) x 1-1/8" (28.57mm), beveled 1/8" (3.17mm) in 2" (50.8mm)
Handing – Reversible.
Strike – Brass or stainless steel. ANSI A115.2,4-7/8" (123.82mm) x 1-1/4" (31.75mm) curved lip standard with a 1-1/4" (31.75mm) lip to center dimension.
Cylinder, Standard – Solid brass 6 pin cylinder supplied with two 6 pin nickel plated brass keys. Available in Arrow AR or Schlage CS keyway.
Cylinder Options – Interchangeable core-lockset prepared for use with 6 or 7 pin interchangeable core available. SFIC format. Supplied less core. Suffix "IC" to design.