Description
The KDM115 Sink Mounting Starter Kit is a complete solution for professional under-mount sink installation. Built around the precision-engineered KDM115 Drilling Machine, this kit combines accurate anchor hole drilling with the strength of Keep-Nut® inserts and high-quality mounting hardware.
Perfect for on-site drilling or shops that do not use (or prefer not to use) CNC routers, the KDM115 provides a portable, reliable way to achieve factory-level accuracy in even the hardest countertop materials. While it can be used with solid surface, this system is specifically optimized for diamond tool drilling in natural stone, engineered stone, porcelain, sintered stone, UHPC, and GFRC.
Also available: KDM115 Machine Only and 100-Pack Keep-Nut Inserts for refill or replacement needs.
Key Features & Benefits
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Complete Starter Kit – Everything needed for sink installation: machine, anchors, clips, hardware, drill bit, and tools.
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CNC-Free Solution – Perfect for on-site work or shops without CNC routers, delivering precise and repeatable results.
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Precision Drilling – KDM115 features a secure vacuum base, integrated water feed, and depth stop for accurate drilling.
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High-Strength Anchoring – Keep-Nut® inserts provide exceptional pull-out resistance in hard surfaces without adhesives.
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All-Surface EVO Drill Bit – Advanced 11.5mm bit designed for speed, durability, and accuracy across stone, quartz, porcelain, and sintered stone.
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Installation Tools Included – Go/No-Go gauge ensures proper hole dimensions; setting tool guarantees flush insert placement.
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Durable Construction – Stainless steel anchors and clips resist corrosion, ensuring long-term reliability.
Common Applications
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Under-mount sink installation in kitchens, bathrooms, and commercial spaces
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Fabrication shops requiring portable precision drilling
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On-site installation where CNC equipment is not available
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Countertops made of stone, quartz, porcelain, sintered stone, UHPC, or GFRC
Technical Specifications
| Component | Details |
|---|---|
| Drilling Machine | KDM115 with KDM600E electric motor, variable speed, vacuum base |
| Drill Bit | 11.5mm EVO, 5/8-11 thread, suitable for all hard surfaces |
| Anchors | 100 Keep-Nut IM2S/P1.4-20/H6 stainless steel inserts |
| Hardware | 100 × 1-1/4″ Posts, 100 Wingnuts, 100 Star Washers, 100 Z-shaped Sink Clips |
| Tools | Go/No-Go Gauge, Setting Tool (1/4-20 Thread) |
| Depth Control | Built-in adjustable depth stop |
| Safety | Integrated GFCI breaker |
Compliance & Certifications
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ASTM & ETA approved for multiple materials
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Stainless steel construction: fireproof and corrosion-resistant
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Tested pull-out and shear performance (ASTM C1354)
Compatible Substrates
The KDM115 is engineered for diamond tool drilling in hard materials, including:
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Natural stone (granite, marble, quartzite)
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Engineered stone (quartz)
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Porcelain & sintered stone (Dekton®, Neolith®, Lapitec®)
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Ultra-High Performance Concrete (UHPC)
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Glass Fiber Reinforced Concrete (GFRC)
Where the KDM115 is not needed:
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Solid surface (Corian®, Hi-Macs®, Staron®)
- Note: Hand Drill and Drill Press Bits can easily be used
Packaging & Ordering Information
Kit includes:
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1 × KDM115 Drilling Machine (with KDM600E electric motor)
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1 × 11.5mm 5/8-11 EVO Drill Bit
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100 × Keep-Nut IM2S/P1.4-20/H6 Inserts
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100 × 1-1/4″ Posts
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100 × Wingnuts
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100 × Star Washers
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100 × Z-Shaped Sink Clips
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1 × Go/No-Go Gauge
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1 × Setting Tool (1/4-20 Thread)
SKU: CCH-KDMSTRKIT2
Call to Action
Upgrade your sink installation process with the KDM115 Sink Mounting Starter Kit. For bulk orders, training, or technical support, contact our sales team at [email protected] or call 800-220-1966.
Explore more solutions in our Keep-Nut Anchors Collection.
















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