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Karran 32 inch quartz undermount sink delivers a single, large bowl sized for active kitchen work, with external bowl dimensions of 32-1/2 inches by 19-1/2 inches by 9 inches, giving generous space for handling larger pots and daily cleanup without feeling cramped. Internal bowl dimensions of 30 inches by 15-3/4 inches by 9 inches focus the working area, so water stays contained while still allowing room to maneuver cookware efficiently. Manufactured from 80 percent crushed quartz plus 20 percent acrylic resin, the sink combines stone content with a resin binder, creating a rigid bowl structure that supports everyday kitchen use. A 1-1/4 inch by 3/4 inch machined resin matrix rim provides a defined, consistent edge, which supports accurate undermount positioning against the countertop. The sink bowl surface has a matte finish that provides a muted, non-gloss appearance, helping the black color integrate cleanly into many stone countertop designs.
Undermount installation required directs the sink to be mounted from below the countertop, which lets the stone edge run clean over the bowl for a smooth wipe-in surface. The note that it may not be top mounted confirms the design is intended only for an undermount configuration, guiding how the cutout and support must be built. This sink may be undermounted to all stone products, so granite, quartz, and similar materials can be specified confidently as the deck surface. A 1/8 inch overhang is recommended, giving a small lip of stone over the bowl that helps contain water and crumbs, but the sink can also be flush installed where a zero-reveal look is preferred. The sink can only be installed in new countertops, not existing countertops with an existing sink cutout, which directs this model toward new fabrication projects or full countertop replacements.
The Karran 32 inch quartz undermount sink works in kitchen layouts that can accept its external bowl dimensions of 32-1/2 inches by 19-1/2 inches by 9 inches, aligning well with a substantial single-bowl design in new countertop plans. Internal bowl dimensions of 30 inches by 15-3/4 inches by 9 inches provide a broad, deep working area, so tasks like rinsing large bakeware or soaking cookware can stay within the basin during routine use. The quartz construction, using 80 percent crushed quartz plus 20 percent acrylic resin, positions this sink in stone and solid-surface style installations where a composite bowl is preferred under stone countertops. Its matte black finish supports design schemes that call for a dark basin that visually blends into darker stone or contrasts against lighter surfaces in a controlled, low-sheen way. The 3-1/2 inch waste opening lines up with common kitchen drain fittings, allowing the bowl to integrate into typical residential kitchen drain layouts.
The 1-1/4 inch by 3/4 inch machined resin matrix rim on the Karran QU-712-BL sink offers a uniform mounting edge, helping fabricators position the sink consistently under stone for either the recommended 1/8 inch overhang or a flush installation. All external dimensions are approximate to 1/4 inch, giving a tolerance band that fabricators can factor into stone cutout sizing when planning manual or CNC machining. The requirement for undermount installation, with no top-mount option, clarifies that the sink is designed to sit fully under the stone, informing how support rails or cabinet framing will interact with the rim. Digital templates for CNC machines are available at www.karran.com, so shops using CNC equipment can align cutout programs to the manufacturer-provided data for repeatable sink reveals. The limitation that it can only be installed in new countertops, not existing countertops with an existing sink cutout, directs this model to new fabrication, helping projects avoid trying to adapt prior cutouts that do not match the specified dimensions.
The Karran QU-712-BL sink has external bowl dimensions of 32-1/2 inches by 19-1/2 inches by 9 inches, which guides cabinet sizing and stone countertop layout during new kitchen planning.
The sink provides internal bowl dimensions of 30 inches by 15-3/4 inches by 9 inches, giving a generous single basin for washing larger cookware while controlling splashes within the defined area.
The Karran 32 inch quartz undermount sink is manufactured from 80 percent crushed quartz plus 20 percent acrylic resin, creating a composite bowl structure suited to undermount installation beneath stone countertops.
The Karran QU-712-BL sink is for undermount installation only and may not be top mounted, so it is intended to sit beneath the countertop with the stone edge exposed above the bowl.
The Karran quartz black single bowl undermount sink may be undermounted to all stone products, supporting use with materials like granite or engineered stone in new countertop projects.
The sink has a 3-1/2 inch waste opening, aligning with standard kitchen sink drain fittings and simplifying selection of compatible strainer baskets or disposal connections.
The Karran 32 inch quartz undermount sink, model QU-712-BL, combines a 32-1/2 inch by 19-1/2 inch by 9 inch external footprint with a 30 inch by 15-3/4 inch by 9 inch internal bowl, fitting new kitchen layouts that call for a substantial single basin. Its 80 percent crushed quartz plus 20 percent acrylic resin construction and machined resin matrix rim support an undermount installation beneath stone products using either the recommended 1/8 inch overhang or a flush reveal. When planning new stone countertops where a matte black single-bowl undermount design is required, this sink provides defined dimensions, a standard 3-1/2 inch waste opening, and CNC-ready digital templates at www.karran.com to support precise fabrication.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | KAQBSBL Mfr# QBSBL | 3-1/2" Quartz Strainer Basket, Black | ||||
Sold in: 1 Each | KAQDFBL Mfr# QDFBL | 3-1/2" Quartz Disposal Flange, Black | ||||
Sold in: 1 Each | KAL-1 Mfr# L-1 | 3-1/2 steel strainer basket by Karran L-1 | ||||
Sold in: 1 Package | KADISC-CLIP Mfr# DISCCLIP | Karran Disc Clip Undermount Clips For Sinks |
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | KA70001K Mfr# WHISA | Karran seaming adhesive white 250 ml tube | ||||
Sold in: 1 Each | KA70005K Mfr# BLSSA | 250ml Stainless Steel Seam Adhesive, Black | ||||
Sold in: 1 Each | KA70020 Mfr# TIPS | Cartridge Mixing Tips for 250ml Seaming Adhesive | ||||
Sold in: 1 Each | KAAG Mfr# AG | Seam Adhesive Guns For Karran Sinks AG | ||||
Sold in: 1 Each | KAPROTECT-TAPE Mfr# PROTECT PLUS TAPE | Protect Tape For Karran Sinks, 2" | ||||
Sold in: 1 Each | KALUSTEROIL Mfr# LUSTERPRO | LUSTER OIL QUARTZ/GRNITE SINK CLEANER, LUSTERPRO | ||||
Sold in: 1 Each | KAQCC Mfr# QCC | Quartz Sample Chain For Karran Sinks |