Description
The Arrow HK12 is a Grade 1 cylindrical knob lock engineered for high-traffic commercial and institutional doors. Certified to BHMA Grade 1 standards, it delivers heavy-duty security and durability for offices, schools, hospitals, and government buildings where robust access control is essential.
This satin stainless steel (630) model is keyed interchangeable and installs on standard 1.375-inch diameter cylindrical lock prep doors. Arrow backs every HK12 with a 10-year warranty. Contact our security experts at sales@edlocks.com or 1-877-207-6067 for keying options, master key compatibility, and installation support.
