4600 Series Knob Locks Yale 4600(LN) Knob Lock Yale 4600(LN) Knob Lock Yale 4600 cylindrical locks are the ideal choice for a wide variety of commercial applications where consistent quality and ease of use & installation are required at an economical price. Features ANSI/BHMA: A156.2, Series 4000 Grade 2 UL-cUL: UL-cUL fire rated up to 3 hours Windstorm: 4600LN Certified (refer to local codes) Mechanism: Stainless steel Backset: 2-3/4" standard; 2-3/8" to order Latchbolt: 1/2" stainless steel throw Guardbolt: Deadlocks latchbolt when door is closed; standard on all locking functions Door Thickness: Adjustable from 1-3/8" to 1-3/4" Fronts: Universal for both flat and beveled door edges Cylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin not available. Reversibility: Non-handed Strikes: 1-1/4" curved lip for 1-3/4" door standard; other lip lengths to special order; all reversible Finishes: Available in 4 finishes Warranty: 3-year mechanical Downloads Catalog Installation Instructions Templates Close Want to learn more? Complete the form below to get the conversation started. loading 5400CK Series Knob Locks