The Emtek Modern Disc 8423 is a single-cylinder keyed deadbolt with a round brass rosette. A key operates the exterior cylinder, while a thumbturn operates the interior.
- Complete deadbolt set includes the latch and strike plate.
- Standard Schlage C keyway, hardened steel bolt and heavy-gauge steel understrike.
- Solid brass cylinder housing, collar, thumbturn and rosette.
- Extension collar included for thin doors. Standard door thickness is 1-3/4 inches; confirm requirements for other thicknesses before ordering.
- Standard latch backset is 2-3/8 inches. Specify 2-3/4 inches if required.
- No handing required. Latch, strike and faceplates have square corners as standard; confirm radius-corner requirements before ordering.
This listing covers the mechanical single-cylinder configuration only, not a double-cylinder or EMPowered smart-lock configuration.
Special order: availability and lead time must be confirmed with our showroom before ordering. Available to order does not mean confirmed warehouse stock.
Official Emtek deadbolt strike-plate specifications · Official retail and installation notes, page 95
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Source checked October 20, 2026. Prices are per complete deadbolt set. The Unlacquered Brass price includes its listed finish upcharge.
Showroom savings may apply. Call our showroom at
714-833-5375 for special pricing.
