Kohler Single Hole Large Base
Description
Kohler's single-hole faucets with large base deck plates are designed to provide both functional excellence and aesthetic versatility for kitchen and bathroom countertop installations. The oversized deck plate serves multiple purposes: covering existing three-hole configurations when upgrading to a single-control faucet, providing a more substantial visual presence on large countertops, and concealing minor imperfections around the faucet hole. For countertop fabricators, this template provides the standard 1.375-inch diameter hole required for all Kohler single-hole faucets, regardless of deck plate size. The large base plate (typically 8-10 inches in diameter) sits atop the countertop surface and requires no additional cutting—only the single central hole penetrates the material. This makes it an ideal solution when working with pre-existing multi-hole sinks, retrofit projects, or when designers want a more prominent faucet presence without the complexity of widespread installations.
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Kohler's single-hole faucets with large base deck plates are designed to provide both functional excellence and aesthetic versatility for kitchen and bathroom countertop installations. The oversized deck plate serves multiple purposes: covering existing three-hole configurations when upgrading to a single-control faucet, providing a more substantial visual presence on large countertops, and concealing minor imperfections around the faucet hole. For countertop fabricators, this template provides the standard 1.375-inch diameter hole required for all Kohler single-hole faucets, regardless of deck plate size. The large base plate (typically 8-10 inches in diameter) sits atop the countertop surface and requires no additional cutting—only the single central hole penetrates the material. This makes it an ideal solution when working with pre-existing multi-hole sinks, retrofit projects, or when designers want a more prominent faucet presence without the complexity of widespread installations.
Installation Overview
Installing a Kohler single-hole faucet with large base requires drilling a single precision hole of 1.375 inches in diameter through the countertop material. The large decorative escutcheon plate (deck plate) sits on top of the finished countertop surface and requires no cutting or modification—it simply covers the area around the faucet hole for a finished appearance. Position the faucet hole based on the sink configuration, typically 2-4 inches behind the sink rim for kitchen applications or centered on the lavatory deck for bathroom installations. The faucet body passes through this single hole, with the large base plate concealing the opening and providing a clean transition. During installation, ensure adequate clearance beneath the deck for the mounting hardware, supply line connections, and faucet body—most Kohler single-hole faucets require at least 2-3 inches of clearance below the deck surface. The large base plate is particularly useful in retrofit scenarios where you're converting a three-hole sink to accept a single-control faucet, as the oversized escutcheon covers the unused holes while you only drill one new centered hole. Maximum deck thickness for most Kohler single-hole faucets is 2.5 inches, accommodating standard 3cm stone slabs with typical edge treatments.
CNC Cutting Notes
CNC cutting a single faucet hole is one of the most straightforward operations in countertop fabrication, but precision is still essential for proper faucet seating and water-tight installation. Load this DXF template into your CAM software and position the hole center point relative to your sink cutout—the template places the hole at coordinates (0,0) for easy reference. For granite and natural stone, use a diamond core drill bit with adequate water flow, programming a feed rate that prevents chipping while maintaining production efficiency. A complete faucet hole typically takes 15-20 minutes on a CNC bridge saw, compared to 45-60 minutes for manual drilling with handheld tools. When cutting engineered quartz, reduce your feed rate by 20-30% compared to granite to account for the material's extreme hardness and brittleness. Ensure your vacuum hold-down system is properly engaged before initiating the cut—a shifting slab can cause the core bit to bind or create an out-of-round hole. For the cleanest results, use a two-stage cutting approach: rough cut to 1.3 inches diameter, then finish to the full 1.375 inches with a slower feed rate. This minimizes edge chipping and reduces stress on the cutting tool. After the CNC operation, inspect the hole for roundness and edge quality; minor imperfections can be smoothed with a diamond hand pad, but the large deck plate will conceal small irregularities within its footprint.
Material Compatibility
This single-hole faucet template is universally compatible with all countertop materials commonly used in residential and commercial installations. Granite, engineered quartz (Silestone, Caesarstone, Cambria, Hanstone), natural quartzite, marble, soapstone, and solid surface materials (Corian, Hi-Macs, LG Viatera) all accept the standard 1.375-inch faucet hole without issue. The cutting technique varies by material: granite and natural stone can be drilled with standard diamond core bits at moderate feed rates, while engineered quartz requires slower speeds, constant water cooling, and specialized tooling due to its Mohs hardness of 7. Marble and softer natural stones should be cut with reduced feed rates and ample cooling water to prevent thermal cracking or stress fractures. Solid surface materials can be drilled with carbide-tipped or diamond bits at higher speeds without water cooling, making them the easiest to work with for faucet installations. The large deck plate that accompanies these faucets provides a watertight seal on all materials when paired with the included rubber gasket. For porous materials like honed granite or marble, ensure the area around the faucet hole is properly sealed before installation to prevent water infiltration. The faucet's compression mounting system works identically across all materials, making this template a versatile addition to any fabricator's library.
Where to Buy
Kohler single-hole faucets with large base plates are available through multiple retail and wholesale channels serving both homeowners and trade professionals. The Home Depot and Lowe's stock a wide selection of Kohler single-hole faucets in their kitchen and bath departments, with popular finishes like polished chrome, vibrant stainless, and matte black typically available for same-day pickup. Professional plumbing wholesalers like Ferguson offer extensive Kohler catalogs with trade pricing for fabricators, contractors, and plumbers working on residential or commercial projects. Online retailers including FaucetDirect.com, Build.com, and Amazon carry the complete range of Kohler single-hole faucets with detailed specifications, finish options, and customer reviews to aid in product selection. For hands-on evaluation, visit Kohler Experience Centers or authorized Kohler Signature Stores where you can see faucets installed in working displays and consult with knowledgeable staff about deck plate options and finish coordination. Fabricators coordinating with interior designers should direct clients to local authorized Kohler showrooms for finish samples and warranty registration. Single-hole Kohler faucets with large base plates typically range from $150-$500 depending on the collection, finish, and features. When ordering, verify that the model includes the large escutcheon plate, as some Kohler single-hole faucets ship with compact deck plates or no plate at all for minimal installations.