Emtek Modern Crystal Knobset - Modern Disc Knob, Dummy (Pair)

Yes. The Modern Disc dummy knobset covers 1-3/8 to 1-3/4 inch doors, which spans the older interior slab at 1-3/8 and the standard 1-3/4 inch door. Thicker than 1-3/4 is outside the range.

A dummy knob has no latch, so a closet or hall door that must stay shut needs a passage function instead. The Omnia 434/PA is a traditional egg-shaped knob latchset with a 3 inch projection in solid brass, and the Pamex FTF is a Grade 3 Baron knob lockset in passage function for doors 1-3/8 inch to 1-3/4 inch thick. The Emtek Modern Disc dummy covers the same 1-3/8 inch to 1-3/4 inch thickness range but is surface mount with no door prep.

Both are dummy function, but they are built for different doors. The Schlage A170 is a Grade 2 cylindrical non-keyed knob lock in single dummy trim, heavy duty, for doors 1-3/8 inch to 1-7/8 inch. The Emtek Modern Disc dummy is a residential brass knobset supplied as a pair for doors 1-3/8 inch to 1-3/4 inch, surface mount with no door prep. Single dummy trim is one side of a door; the Emtek set is two knobs.

Yes. Six rosette shapes are offered with the Modern Disc knob: Disk, Modern Rectangular, Modern, Neos, Square, and Urban Modern. The knob can be ordered with any brass rosette in the line, so you can match the backplate profile already on your other doors rather than changing the knob to suit the rose.

Seven: Flat Black (US19), Oil Rubbed Bronze (US10B), Polished Chrome (US26), Polished Nickel Lifetime (US14), Satin Brass (US4), Satin Nickel (US15), and Unlacquered Brass (US3NL). Unlacquered brass is the one to be deliberate about, it has no clear coat and will patina with handling, so it will not stay matched to a lacquered brass knob elsewhere in the house. If two sides of the door need different metals, there is a split finish field on the order.

It is a residential product, tubular type, in Emtek's Glass and Porcelain collection with a brass knob and brass substrate. If you are specifying to a commercial standard and need an ANSI/BHMA grade on the submittal, look at a graded cylindrical line instead, such as the Corbin Russwin CK4310 at Grade 1 or the Schlage A170 at Grade 2. For a decorative closet or interior door in a home or a high-end unit, the Modern Disc is the right category of part.

Yes, and the existing bore is not a problem. Because the Modern Disc dummy mounts to the surface, it does not use the cross bore, so it can go over a door that was previously drilled for a working knob as long as the rosette you pick covers the hole. Check the rose diameter against your bore before committing to the smaller profiles. The door still needs to be within 1-3/8 to 1-3/4 inches thick.

Nothing on the Modern Disc knobset does. It is fixed trim with no latch, so the door needs a separate catch, typically a ball catch in the top of the door or a roller catch at the jamb. If you would rather the knob itself do the work on a closet or hall door, a passage function knob latches and turns freely without keying, for example the Bravura Albany passage knobset or the Cal-Royal BA40, which is the dummy version in that same Barrington line.

A dummy pair has no locking mechanism, so a bed or bath door needs a privacy function alongside it. The Deltana 6112 St. Thomas knob is privacy function for doors 1-3/8 inch to 2 inch, the Dexter C2000 privacy ball knob is Grade 2 for 1-3/8 inch to 1-3/4 inch, and the Baldwin Estate 5077 Bethpage privacy knob uses an R027 rose. The Emtek Modern Disc set itself is non-keyed dummy function.

No. The Sargent 78-2875 is an outside knob only in the 7800 Series, and the Sargent 28C-KNOB is exit device trim with knob and rose in entrance function for 1-3/4 inch doors. Both are trim for an exit device rather than a standalone knob set. The Emtek Modern Disc dummy is a complete surface mount pair that needs no door prep, and the Imperial USA ED-BKL580 is likewise knob trim, in storeroom function, from the ED-500 Series.

The Emtek Modern Disc dummy pair is non-keyed. Keyed knob options include the Kwikset 400P-CP Polo keyed entry knob, Grade 3, for doors 1-3/8 inch to 1-3/4 inch with a round corner adjustable latch and round corner strike; the Cal-Royal BER00 Grade 3 entrance/office knob lock with a Kwikset keyway for 1-3/8 inch to 1-3/4 inch doors; and the Corbin Russwin CK4851 entrance/office cylindrical lock with a conventional cylinder and a global knob for doors 1-3/8 inch to 2 inch.

The Modern Disc is a crystal knob on brass, from Emtek's Glass and Porcelain collection, with brass as the stated material and substrate and a contemporary disc profile. That matters for two reasons on a job: glass knobs read very differently under directional light than a solid metal knob, and the finish you choose applies to the brass rosette and stem rather than the disc itself.