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

Arrow HK33-BB-630-IC Grade 1 Asylum Lock offers a robust solution for high-security environments with its durable design and exceptional functionality. This Grade 1 cylindrical knob lock features a ball knob and is built to withstand demanding applications, meeting the rigorous standards set by BHMA Grade 1 certification. Crafted from cold-rolled steel with a satin stainless steel finish, the lock ensures long-lasting corrosion resistance, making it ideal for commercial settings. Designed for doors with a thickness ranging from 1-3/8" to 2", the HK33-BB-630-IC can accommodate a standard 2-1/8" bore. The stainless steel latch boasts a 1/2" throw and is housed in a corrosion-resistant steel casing. Its non-handed design allows for easy installation on either side of the door, offering versatility for various applications. This lock is prepared for interchangeable core systems, supplied without a core but compatible with both 6 and 7 pin options. The package includes a solid brass 6-pin cylinder with two nickel-plated brass keys, available in Arrow AR or Schlage CS keyways. With a 10-year warranty and UL listing, the Arrow HK33-BB-630-IC Grade 1 Asylum Lock is a reliable choice for ensuring security in institutional settings.

Grade 1 Asylum Lock

Grade 1 Asylum Cylindrical Lock, Ball Knob, SFIC Less Core, 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