Kohler Single Hole Standard
Description
The standard single-hole faucet configuration is the most common installation type in modern kitchens and bathrooms, offering a clean, minimalist aesthetic that complements contemporary countertop designs. Kohler's extensive line of single-hole faucets spans from budget-friendly builder-grade models to premium designer collections, all utilizing the same industry-standard 1.375-inch hole diameter. This universal specification simplifies countertop fabrication by eliminating the need for model-specific templates—whether you're installing a basic chrome kitchen faucet or a high-end bathroom lavatory fixture, the hole dimension remains consistent. For fabricators, this DXF template provides the precision required for CNC cutting operations across all countertop materials including granite, quartz, marble, and solid surfaces. The single-hole design offers several advantages: faster installation compared to widespread configurations, reduced drilling time for fabricators, greater flexibility in faucet positioning, and easier future upgrades since the hole size is standardized across most manufacturers. This template is your go-to solution for any Kohler single-hole faucet installation where specific manufacturer templates aren't provided.
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The standard single-hole faucet configuration is the most common installation type in modern kitchens and bathrooms, offering a clean, minimalist aesthetic that complements contemporary countertop designs. Kohler's extensive line of single-hole faucets spans from budget-friendly builder-grade models to premium designer collections, all utilizing the same industry-standard 1.375-inch hole diameter. This universal specification simplifies countertop fabrication by eliminating the need for model-specific templates—whether you're installing a basic chrome kitchen faucet or a high-end bathroom lavatory fixture, the hole dimension remains consistent. For fabricators, this DXF template provides the precision required for CNC cutting operations across all countertop materials including granite, quartz, marble, and solid surfaces. The single-hole design offers several advantages: faster installation compared to widespread configurations, reduced drilling time for fabricators, greater flexibility in faucet positioning, and easier future upgrades since the hole size is standardized across most manufacturers. This template is your go-to solution for any Kohler single-hole faucet installation where specific manufacturer templates aren't provided.
Installation Overview
Installing a standard Kohler single-hole faucet requires drilling one precision hole of 1.375 inches diameter through the countertop material at the location specified by the designer or plumber. For kitchen applications, position the faucet hole 2-4 inches behind the sink rim, centered left-to-right relative to the sink basin to ensure optimal spout reach and spray coverage. Bathroom lavatory installations typically center the faucet hole on the deck area behind the sink bowl, though off-center placements can create visual interest in larger vanity configurations. The faucet body, supply lines, and mounting hardware all pass through this single hole, with the faucet base or included deck plate sitting on the finished countertop surface to create a watertight seal. Most Kohler single-hole faucets accommodate deck thicknesses up to 2.5 inches, which covers standard 2cm and 3cm stone slabs with typical edge profiles. Before cutting, verify that there's adequate clearance beneath the deck—typically 2-3 inches minimum—for the mounting nut, faucet connections, and supply line access. For installations with undermount sinks, coordinate the faucet hole location with the sink template to ensure proper alignment, adequate clearance from the sink rail, and optimal ergonomic positioning for the end user. The single-hole configuration makes future faucet upgrades simple, as virtually all modern single-control faucets use this same standard hole size.
CNC Cutting Notes
Programming your CNC machine for a standard faucet hole is straightforward with this DXF template. Import the file into your CAM software and position the hole center at coordinates (0,0) relative to your sink cutout or countertop edge reference points. For granite and most natural stone materials, use a diamond core drill bit with continuous rim design, setting your feed rate to balance production speed with edge quality—typically 8-12 inches per minute for most CNC bridge saws. Maintain constant water flow to the cutting surface throughout the operation to prevent thermal shock, extend tool life, and minimize dust generation. When cutting engineered quartz materials like Silestone or Caesarstone, reduce your feed rate by approximately 25% compared to natural granite, as quartz's extreme hardness (Mohs 7) requires more conservative cutting parameters to prevent tool wear and edge chipping. The entire cutting operation typically takes 15-25 minutes on a properly calibrated CNC machine, compared to 45-90 minutes for manual drilling. For the cleanest holes with minimal finishing required, employ a two-stage cutting strategy: first rough cut to 1.3 inches diameter at standard feed rate, then finish to the final 1.375 inches at a slower feed rate for superior edge quality. Ensure your slab is properly secured with adequate vacuum pressure before initiating the cut—a shifting workpiece can cause binding, tool breakage, or an out-of-round hole. After cutting, inspect the hole perimeter for chips or micro-cracks and smooth any imperfections with a fine diamond hand pad.
Material Compatibility
This standard single-hole faucet template is universally compatible with all countertop materials used in residential and light commercial applications. Natural granite, engineered quartz (Silestone, Caesarstone, Cambria, Hanstone, LG Viatera), natural quartzite, marble, limestone, soapstone, and solid surface materials (Corian, Hi-Macs, Staron) all accept the 1.375-inch standard faucet hole without modification. The cutting approach varies by material properties: granite and quartzite require diamond core bits with steady water cooling and moderate feed rates; engineered quartz demands slower feeds and specialized diamond tooling due to extreme hardness; marble and limestone need reduced cutting speeds with ample cooling to prevent thermal cracking; solid surface materials can be cut with carbide or diamond bits at higher speeds, often without water cooling. The 1.375-inch diameter provides adequate clearance for faucet shanks, mounting hardware, and supply line connections across all materials while maintaining structural integrity around the hole perimeter. For porous materials like honed marble or unsealed granite, ensure the area surrounding the faucet hole is properly treated with penetrating sealer before faucet installation to prevent water infiltration that could lead to staining or degradation. The standard Kohler faucet mounting system—typically a compression fit with rubber gasket, metal washer, and threaded mounting nut—creates a reliable watertight seal on all these materials regardless of surface finish (polished, honed, leathered, or textured).
Where to Buy
Standard Kohler single-hole faucets are among the most widely available plumbing fixtures, stocked by virtually every home improvement retailer, plumbing supply house, and online merchant. The Home Depot and Lowe's maintain extensive Kohler single-hole faucet inventories in their kitchen and bath departments, with popular models available for immediate pickup or next-day delivery. These big-box retailers typically stock entry-level to mid-range Kohler collections in common finishes like polished chrome, brushed nickel, and stainless steel, with prices ranging from $80-$300. For professional fabricators and contractors, Ferguson and other wholesale plumbing distributors offer comprehensive Kohler catalogs with trade pricing, bulk availability, and dedicated support for commercial projects. Ferguson stocks both builder-grade and premium Kohler collections, including exclusive finishes and designer collaborations not available at retail home centers. Online retailers including Amazon, Build.com, FaucetDirect.com, and eFaucets.com provide the full spectrum of Kohler single-hole faucets with detailed specifications, installation videos, and customer reviews to inform purchasing decisions. For hands-on product evaluation and finish selection, visit Kohler Experience Centers, authorized Kohler Signature Stores, or local kitchen and bath showrooms where working faucet displays allow you to test functionality and assess build quality. Fabricators coordinating with interior designers should direct clients to authorized showrooms for finish matching across multiple plumbing fixtures and hardware. When purchasing, verify the model number and confirm that it's a true single-hole installation (not a widespread faucet with escutcheon cover) to ensure compatibility with this template.