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    Sinks
    1. Home
    2. Kitchen & Bath Cabinet Accessories
    3. Sinks and Accessories
    4. Sinks
    Item # KAQU690-GR • Mfr # QU-690-GR

    Karran 16-5/8"W x 16-5/8"D Quartz Gray Single Bowl Undermount Sink - QU-690-GR

    • Technical data, QU-690-GR
      Technical data, QU-690-GR

    Description

    Karran QU-690-GR Quartz Undermount Bar Sink Use

    Karran QU-690-GR quartz undermount sink is a single bowl bar or prep sink with external bowl dimensions of 16-5/8 inches by 16-5/8 inches, so it fits compact countertop layouts where a full-size sink is not required but a functional workspace is needed. The internal bowl dimensions of 14 inches by 14 inches by 8-1/4 inches create a deep working well, which helps contain water and tasks in a small footprint while giving room for typical bar and prep work. The quartz sink bowl surface has a matte finish, so it presents a non-gloss working area that helps hide minor water marks in normal kitchen or bar use. As a quartz sink in gray, it offers a neutral color option that coordinates with many countertop materials in residential or light commercial bar and prep locations.

    Quartz Sink Details That Support Daily Work

    • The Karran quartz gray single bowl undermount sink design focuses work into one 14 inch by 14 inch bowl, which keeps tasks contained and predictable for bar or prep applications where space is tight.
    • External bowl dimensions of 16-5/8 inches by 16-5/8 inches, with all external dimensions approximate to 1/4 inch, give installers a clear sizing reference so they can plan cutouts and surrounding cabinetry with the needed tolerance.
    • The 8-1/4 inch internal bowl depth provides vertical working room for washing glassware or small wares while helping control splashing within compact bar or prep counters.
    • The sink bowl surface has a matte finish, giving the working area a muted appearance that helps maintain a consistent look under varied lighting in kitchens, bars, or prep stations.
    • The quartz construction is guaranteed not to stain or crack from thermal shock and withstands temperatures of up to 530 F, so it tolerates hot items within that range in normal use without material failure.

    Undermount Quartz Sink Fit And Installation Focus

    This Karran quartz gray single bowl sink is specified as an undermount sink, so it is designed to be mounted beneath the countertop, creating a flush transition that supports easy countertop cleanup into the 14 inch by 14 inch bowl. External bowl dimensions of 16-5/8 inches by 16-5/8 inches, with all external dimensions approximate to 1/4 inch, provide the dimensional framework needed to plan the countertop opening and cabinet support. The 8-1/4 inch internal depth defines the vertical space the bowl occupies below the surface, which matters when coordinating with cabinet interiors, under-sink components, or bar infrastructure. As part of Karran quartz sinks, this model aligns with quartz sink installation practices where an undermount approach is preferred for a clean edge and efficient working surface.

    Applying This Karran Quartz Gray Prep Sink

    Where The Karran QU-690-GR Sink Works Best

    The Karran 16-5/8 inch by 16-5/8 inch quartz gray single bowl undermount sink is sized for bar and prep locations where a full kitchen sink footprint is not necessary, but a functional wash and rinse station is required. Its internal bowl dimensions of 14 inches by 14 inches by 8-1/4 inches create a contained space that suits glassware, small pans, or preparation tasks, which is useful in secondary stations away from the main sink. As a quartz sink in gray with a matte finish, it integrates into designed spaces where a subdued, consistent appearance is important, such as entertainment areas or compact kitchen worktops. Being part of the quartz sinks product class, it brings a solid, non-metallic basin option to installations emphasizing a unified surfacing look.

    Details That Support Repeatable Bar And Prep Results

    The quartz sink bowl surface has a matte finish, so it provides a non-reflective working area that helps maintain visual consistency around the bar or prep station while still defining the bowl edges clearly. The sink is guaranteed not to stain, which helps maintain its gray appearance over time when exposed to typical bar and kitchen substances. It is also guaranteed not to crack from thermal shock and withstands temperatures of up to 530 F, meaning sudden temperature changes within that range do not damage the bowl in normal operation, supporting long-term installation performance. All external dimensions being approximate to 1/4 inch gives installers a defined tolerance band, helping align countertop fabrication and cabinet construction with the sink body for predictable undermount fit.

    Common Questions About This Quartz Bar Sink

    What are the overall dimensions of the Karran QU-690-GR sink?

    The Karran QU-690-GR sink has external bowl dimensions of 16-5/8 inches by 16-5/8 inches, giving a compact footprint suitable for bar or prep stations in tight countertop layouts.

    How large is the working bowl area inside this sink?

    The internal bowl dimensions are 14 inches by 14 inches by 8-1/4 inches, providing a deep, square workspace that supports common bar and prep tasks without occupying a full-size sink footprint.

    What finish does the Karran quartz gray sink have?

    The Karran quartz gray sink has a matte finish on the bowl surface, giving a non-gloss appearance that supports a subtle, consistent look in kitchen or bar environments.

    Is this Karran QU-690-GR model designed for undermount installation?

    The Karran QU-690-GR is specified as an undermount sink, so it is intended to be mounted beneath the countertop to create a smooth transition for wiping debris directly into the bowl.

    How does the heat resistance of this quartz sink affect use?

    This quartz sink is guaranteed not to crack from thermal shock and withstands temperatures of up to 530 F, so it tolerates hot items within that range during normal bar or kitchen activity.

    What warranty coverage does this Karran quartz sink have?

    This Karran quartz sink carries a 25 years Limited Warranty against manufacturer's defects replacement, supporting long-term confidence in its material and construction performance.

    Selecting This Karran Quartz Gray Undermount Sink

    The Karran 16-5/8 inch by 16-5/8 inch quartz gray single bowl undermount sink QU-690-GR offers a compact, 14 inch by 14 inch by 8-1/4 inch working bowl sized for bar and prep locations. Its quartz construction, matte finish bowl surface, and guarantee against staining and thermal shock cracking up to 530 F align it with demanding daily use. With all external dimensions approximate to 1/4 inch, it supports precise planning for undermount installation in tight countertop runs. For projects needing a gray quartz undermount bar or prep sink with defined dimensions and a 25 years Limited Warranty against manufacturer's defects replacement, this model is a practical choice.

    Catalog
    X-30
    Color/Finish
    Gray
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    16-5/8 in
    Overall Sink Width (Front to Back)
    16-5/8 in
    Minimum Cabinet Width Required
    21 in
    Inside Bowl Depth
    8-1/4 in
    Inside Bowl Length
    14 in
    Inside Bowl Width
    14 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified, IAPMO certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    Catalog
    X-30
    Color/Finish
    Gray
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    16-5/8 in
    Overall Sink Width (Front to Back)
    16-5/8 in
    Minimum Cabinet Width Required
    21 in
    Inside Bowl Depth
    8-1/4 in
    Inside Bowl Length
    14 in
    Inside Bowl Width
    14 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified, IAPMO certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    BlackWhiteConcreteBrownGrayBisque
    Karran
    $295.81/Each
    Karran 16-5/8"W x 16-5/8"D Quartz Gray Single Bowl Undermount Sink - QU-690-GR
    Item# KAQU690-GR / MFR Part # QU-690-GR
    Each
    Each
    In Stock

    Sold In: 1 Each

    Each

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