


31" Extra-Large Undermount Stainless Steel Single Bowl Kitchen Sink, KH-3118-9-S-R20
Choose options
-
Specification Sheet (PDF)
-
2D Design (DXF)
-
CutOut Template (DXF)
-
BIM File (RFA)
-
Installation Guide (PDF)
-
For Additional CutOut Templates and Design Files, click here
The 31-inch single bowl stainless steel kitchen sink offers expansive space and a bold, modern look—ideal for kitchens that demand high-capacity functionality without compromising design. Its extra-large single bowl easily accommodates oversized cookware, baking sheets, and meal prep tasks, making it an excellent fit for larger residential kitchens and high-traffic multi-unit installations.
-
Undermount configuration supports a clean, uninterrupted countertop flow
-
Extra-large single bowl provides maximum workspace for multitasking and cleanup
-
Manufactured from durable 18-gauge, Type 304 stainless steel for superior longevity
-
Premium sound-dampening pads and undercoating help minimize noise and vibration
-
Tight-radius corners lend a modern edge while allowing for easier maintenance
-
Rear-set drain optimizes both basin and under-cabinet storage space
-
Angled base and creased drain lines promote fast, complete drainage
-
3-1/2" drain opening accommodates most standard garbage disposals
-
Non-porous surface resists stains, water spots, and everyday residue
-
Anti-condensation undercoating reduces the risk of moisture buildup inside cabinetry
-
Ships ready for installation with mounting hardware and cutout template
-
Supported by Allora USA’s Limited Lifetime Warranty
With its impressive capacity and refined design, this extra-large single bowl sink is built to meet the needs of modern kitchens where size, efficiency, and durability matter most.
- Bowls Single Bowl
- Size (outside): 31" x 18" x 9-1/4"
- Size (Inside): 29" x 16" x 9"
- Min Cabinet Size: 36"
- Installation: Undermount
- Material: 18-Gauge 304 Stainless Steel
- Insulation: Noise-Reducing Coated Rubber Sound Pad
- Thickness: 18-gauge
- Warranty Limited Lifetime Warranty
WHY CHOOSE ALLORA USA

Available for Builders, Architects, Contractors, Fabricators, Developers, and other Industry Professionals
Allora Advantage
Unlock exclusive perks with Allora Advantage membership! Enjoy wholesale pricing with tiered discounts, a dedicated account rep for personalized support, and custom quoting for unique projects. Plus, get early access to new product launches!
Need Help Getting Started?
CONNECT WITH OUR EXPERTS
Ready to elevate your next project? Whether you're selecting kitchen or bathroom products or need expert advice, we're here to help! Fill out the form below, and our team will get back to you right away. Let's bring your vision to life.