Description
Description
TheKEEP-NUT Full Setis thefastest and most securesolution for attaching undermount sinks tostone, quartz, porcelain, and solid surfaces. Designed forefficiency, strength, and reliability, this professional-grade anchoring system eliminates the need for adhesives or epoxies, providing aflush-mount, hidden installation.
Why Choose KEEP-NUT?
Fast, Simple Installation Press-in, self-anchoring design withno adhesives or cure times.
Exceptional Holding StrengthIM2S/P1.4-20/H6offersan average pull-out resistance of 562 lbs per insert.
Versatile Compatibility Securely mounts togranite, marble, quartz, porcelain, solid surfaces, glass, UHPC, and composites.
Reliable & Corrosion-Resistant Constructed fromstainless steel for durabilityand long-term performance.
Precision Drilling Compatible withCNC, a manual grinder, or the KDM115 Drilling Machineforon-site efficiency.
Included in Each Set:
- (1) KEEP-NUTIM2S/P1.4-20/H6Press-In Anchor (1/4-20 Thread)
- (1)1-1/4 Allen Post(1/4-20 Thread)
- (1)Wing Nut(1/4-20 Thread)
- (1)Star Washer
- (1)Z-Shaped Sink Clip
IM2S/P1.4-20/H6 Keep-Nut Testing Data Pull-Out Strength
| Material | Average Pull-Out Load (lbs) |
|---|---|
| Corian (10mm) | 650 lbs |
| Porcelain (12mm) | 562 lbs |
| Quartz (12mm) | 540 lbs |
| Granite (12mm) | 530 lbs |
| Marble (12mm) | 495 lbs |
Installation Methods
Regardless of the drilling method, installation follows the same process:
- Drill the hole using theappropriate bitfor the material.
- Verify hole depthwith theGo/No-Go Gauge.
- Press/punch in the KEEP-NUTusing theSetting Tool.
- At the job site or in the shop,attach the sink using the Allen post, star washer, wing nut, and sink clip.
Tooling & Recommended Drill Bits
Essential Installation Tools
| Tool Name | Purpose | Part # |
|---|---|---|
| Go/No-Go Hole Tester & Depth Gauge | Ensures the hole diameter and depth are correct before inserting KEEP-NUT | CCH-KNGAUGE |
| Keep-Nut Setting Tool (1/4-20 Thread) | Presses/punches the KEEP-NUT insert into the drilled hole while deflecting impact from the surface | CCH-KNSET-1/4 |
Premium Bits (Longer Lasting & Universal for All Surfaces)
| Bit Type | Drilling Method | Compatible Surfaces | Part # |
|---|---|---|---|
| 11.5mm 5/8-11 Thread Grinder Bit(Orange) | Manual (KDM115 or Hand Grinder) | Universal All Surfaces | FKN12X50EVO-UNC |
| 11.5mm CNC Bit(Orange) | CNC Router | Universal All Surfaces | FKN12X10EVO |
Economic Bits (Optimized for Specific Surfaces)
| Bit Type | Drilling Method | Compatible Surfaces | Part # |
|---|---|---|---|
| 11.8mm CNC Bit(Blue) | CNC Router | Natural Stone & Quartz | CCH-KNBITCNC-11.8MM |
| 11.8mm CNC Bit(White) | CNC Router | Sintered Stone, Porcelain & Ceramic | CCH-KNBITCNC-11.8-D |
| 11.4mm 5/8-11 Thread Grinder Bit(Blue) | Manual (KDM115 or Hand Grinder) | Natural Stone & Quartz | CCH-KNBITGRI-11.4MM |
| 11.4mm 5/8-11 Thread Grinder Bit(White) | Manual (KDM115 or Hand Grinder) | Sintered Stone, Porcelain & Ceramic | CCH-KNBITGRI-11.4-D |
| 11.8mm Hand Drill/Drill Press Bit | Manual | Solid Surface & Plastics | CCH-KNBITSS-11.8MM(w/ Stop Collar) |
U.S. Patent No. 10,473,141
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