The KROME Grade 1 Heavy Duty Cylindrical Knob Lockset is designed for high-traffic commercial and institutional applications where durability, safety, and long service life are critical.

Built to ANSI/BHMA Grade 1 standards, this lockset delivers reliable performance for offices, schools, healthcare facilities, and commercial buildings.

The lock features a precision solid brass pin tumbler cylinder, stainless steel latch bolt, and heavy-duty construction to withstand daily intensive use. It supports a wide range of functions, making it a flexible solution for different door requirements.

Specifications

• Certification:

ANSI/BHMA Grade 1

UL / cUL Listed

UL 10C – 3 Hour Fire Rated

• Door Thickness: 1-5/8” (40mm) to 2” (52mm)

• Backset:

2-3/4” (70mm) standard

2-3/8” (60mm) optional

• Latch Front: 1-1/8” (29mm) × 2-1/4” (57mm)

• Latch Bolt: Stainless steel, 17/32” (13.5mm) throw

• Strike: ANSI (ASA) curved lip strike, standard

• Cylinder & Keys:

Precision solid brass 5-pin tumbler cylinder

Nickel silver brass keys (2 keys included)

Schlage “C” keyway (default)

• Finish: Satin Chrome (C26D)

• Warranty: Seven-year mechanical warranty

Full keying services available. Other common and high security keyways available.

(*) Kit required for thicknesses greater than 2″ (51 mm)

Price available upon request. Contact us for a custom quote.