Cylindrical Knob Locks

Quality Door offers a wide selection of cylindrical knob locks. We carry several brands, including Arrow, Best, Corbin Russwin, Sargent, and Yale. We have knob locks with passage, entrance, privacy, storeroom, office, classroom, and closet function. Some of the various knob lock types we offer include: Tudor knobs, ball knobs, D knob, BB knobs, and global knobs. We also offer a selection of knob locks with a D rose and with Schlage C keyways. Browse our selection here. And make use of our filtering options above the product listing and in the left sidebar.