Arrow Lock HK33-BB-630-CS Grade 1 Asylum Lock

Arrow HK33-BB-630-CS Grade 1 Asylum Lock offers a robust and reliable solution for high-security applications. This Grade 1 cylindrical knob lock features a ball knob design and is equipped with a conventional cylinder that utilizes the Schlage C keyway. Finished in a sleek satin stainless steel, it not only provides a modern aesthetic but also ensures durability and resistance to corrosion. Engineered for strength, the lock's chassis is made from cold-rolled steel with a zinc dichromate finish, ensuring long-lasting performance. It accommodates standard door thicknesses ranging from 1-3/8" to 2" and requires a 2-1/8" bore for installation. The stainless steel latch boasts a 1/2" throw, while the latch housing is designed with corrosion resistance in mind. This non-handed lock is versatile for various installation needs, meeting commercial standards with a 10-year warranty. It features a solid brass 6-pin cylinder and comes with two nickel-plated brass keys. The Arrow HK series is UL listed and certified to BHMA Grade 1, making it an ideal choice for institutional settings where security is paramount. With its combination of functionality and style, this lock is designed to meet the demands of professionals and homeowners alike.

Grade 1 Asylum Lock

Grade 1 Asylum Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway, Satin Stainless Steel Finish, Non-handed

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.

The Arrow HK Series is a Grade 1 Knob Lock that comes in a variety of finishes and functions.

• 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.

Resources

• HK Series Cylindrical Lock Cut Sheet
• HK Series Grade 1 Cylindrical Knob Locks Cut Sheet