The DOREX GX1B classic door knob is designed for high traffic areas requiring a heavy-duty lockset with enhanced security features. The GX1B series is ideal for commercial areas such as office buildings, universities, industrial and institutional facilities.

• Conforms to ANSI/BHMA A156.2, series 4000, Grade 1
• cULus listed, 3 hr fire rating
• ANSI/UL 10C Positive Pressure Rated
• 10 Year limited warranty
• For doors 1³⁄₈ to 2″ (35 to 51 mm) thick
• Non-handed
• 2³⁄₄″ (70 mm) backset
• 2³⁄₈″, 3³⁄₄″ and 5″ (60 mm, 95 mm and 127 mm) backsets available
• Stainless steel latch with ¹⁄₂″ (12.7 mm) throw
• Deadlatch with ³⁄₄″ (19 mm) throw available
• Removable security posts
• 3″ (76 mm) rose diameter
• Concealed mounting plate and screws
• ASA strike
• Keyed functions include 6-pin cylinder, Schlage “C” keyway with 2 keys
• Small format interchangeable core (SFIC) model available (SFIC sold separately)

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