Alpha International U235 K Series Stainless Steel Single Bowl Undermount Cutout
Description
The Alpha International U235 K Series combines the premium construction quality of Alpha's K Series designation with mid-size dimensions ideal for standard residential kitchens. This 23.5-inch undermount sink features a distinctive D-shaped bowl design that maximizes usable interior space while fitting 26-inch cabinet widths. The K Series branding indicates enhanced manufacturing standards including superior sound dampening, reinforced corners, and premium finish quality. Our professional DXF template provides four precision cutout variants for expert stone fabrication across granite, quartz, marble, and solid surface materials. The 18-gauge commercial-grade 304 stainless steel construction delivers durability that matches the sink's refined aesthetic, while the 9-inch depth provides practical capacity for everyday kitchen tasks without requiring oversized cabinetry.
Dimensions
- Overall Width
- 23.5"
- Overall Depth
- 18"
- Bowl Width
- 21"
- Bowl Depth
- 16"
Specifications
- Manufacturer
- Alpha International
- Model Number
- U235 K Series
- Installation Type
- Undermount
- Bowl Configuration
- Single
- Material
- Stainless-Steel
- Min. Cabinet Width
- 26"
- Downloads
- 0
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The Alpha International U235 K Series combines the premium construction quality of Alpha's K Series designation with mid-size dimensions ideal for standard residential kitchens. This 23.5-inch undermount sink features a distinctive D-shaped bowl design that maximizes usable interior space while fitting 26-inch cabinet widths. The K Series branding indicates enhanced manufacturing standards including superior sound dampening, reinforced corners, and premium finish quality. Our professional DXF template provides four precision cutout variants for expert stone fabrication across granite, quartz, marble, and solid surface materials. The 18-gauge commercial-grade 304 stainless steel construction delivers durability that matches the sink's refined aesthetic, while the 9-inch depth provides practical capacity for everyday kitchen tasks without requiring oversized cabinetry.
Installation Overview
The Alpha U235 K Series installs in standard 26-inch base cabinets, making it compatible with the most common residential kitchen configurations. The template includes four cutout options: no reveal (21x16-inch cutout matching bowl dimensions), 1/8-inch reveal (20.75x15.75-inch cutout for balanced aesthetics), 1/2-inch overhang (20x15-inch cutout for maximum edge support), and drop-in variant (23.5x18-inch cutout for top-mount installation). For professional fabricators, the 1/8-inch reveal represents the optimal choice for 3cm granite and quartz, providing clean visual lines while maintaining adequate structural support. The D-shaped bowl configuration offers advantages over traditional rectangular designs by maximizing front-to-back dimension while reducing side-to-side width requirements. This geometry provides ergonomic benefits for users working at the sink while optimizing cabinet storage space on either side. The K Series construction includes spray coating over rubber pad insulation, significantly reducing water noise - an important consideration for open-concept living spaces where kitchen sounds carry into adjacent rooms. Standard stainless steel mounting clips are provided, though many professional installers prefer two-part epoxy undermount systems for enhanced long-term bonding, especially in higher-end installations. The 3.5-inch drain opening accommodates all standard basket strainers and garbage disposal units.
CNC Cutting Notes
This template delivers production-ready geometry verified against manufacturer specifications with confirmed dimensional accuracy. The file contains clean vector paths optimized for CNC processing with entities organized across standard DXF layers including layer 0, DEFPOINTS, LABEL, and a manufacturer layer. Filter or merge layers as needed for your specific CAM software requirements. All measurements are specified in inches and have been validated against factory documentation. The D-shaped bowl geometry creates an interesting cutting challenge compared to simple rectangular designs - ensure your CAM software accurately interprets the curved portions and transitions smoothly between straight and radiused sections. Use 1/2-inch diameter or smaller bits for accurate perimeter reproduction, with 3/8-inch ball nose tools recommended for polished edge applications. Program appropriate tool offset compensation based on your specific bit diameter and desired reveal dimension. The template's 34-entity count indicates moderate geometric complexity requiring clean toolpath generation for optimal results. For standard CNC routers, use adequate vacuum hold-down or support rails to prevent material vibration during cutting. Feed rates can be optimized given the relatively gentle curves compared to tight-radius designs. This template works equally well for waterjet cutting, where the geometry presents no tool limitations. Consider your material type when programming - harder materials like granite and quartzite benefit from slower feed rates and multiple depth passes, while quartz cuts efficiently with proper tooling.
Material Compatibility
The Alpha U235 K Series template is compatible with all professional countertop materials when paired with appropriate variant selection. For 3cm granite and quartzite installations, both 1/8-inch and 1/2-inch reveals deliver excellent results - the choice depends on aesthetic preferences and edge profile design. Natural stone's inherent compressive strength easily supports this moderate-sized cutout without structural concerns. Quartz and engineered stone installations should consider the 1/2-inch overhang variant for maximum edge support, as these materials can be more susceptible to microcracking around cutout perimeters compared to natural stone. The added overhang distributes stress and provides a safety margin during installation and use. Marble countertops benefit from the 1/2-inch overhang to protect more delicate edges from chipping and moisture damage. The D-shaped bowl design offers particular advantages in marble installations by reducing sharp internal corners where stress concentrations can develop. For 2cm material thickness, always use the 1/2-inch overhang variant or strongly consider laminating to 3cm thickness for better long-term performance. Solid surface materials work well with this template using moderate reveals and manufacturer-recommended adhesive systems. The premium satin finish stainless steel complements all stone colors and patterns, from classic white Carrara to dramatic black granite and contemporary neutral quartz selections. The K Series designation indicates finish quality that maintains its appearance through years of use. This template is not recommended for laminate countertops even in drop-in configuration.
Where to Buy
The Alpha International U235 K Series is available through kitchen and bath distributors, plumbing supply houses, and specialty online retailers focusing on quality stainless steel sinks. Typical retail pricing ranges from $150-200 depending on supplier, with professional fabricators often accessing volume discounts through established distributor relationships. When ordering, verify the exact model designation U235 K Series to ensure proper sizing, as Alpha offers several similar 23-24 inch models with different bowl configurations and dimensions. The sink ships complete with stainless steel mounting clips and installation template, though professional fabricators rely on our precision DXF files for CNC cutting accuracy. Check local plumbing wholesalers for immediate availability, or order from online specialty retailers for competitive pricing with standard shipping timeframes. Some suppliers offer matching accessories including custom-fitted bottom grids, cutting boards, and colander inserts sized specifically for the U235 D-shaped bowl. Consider these accessories for premium installations where clients desire maximum functionality from their sink investment.