Description
The CCH-KNPK-1-1/4-100 is a 100-pack of fasteners designed to work with Keep-Nut™ inserts for secure undermount sink installations in stone, quartz, solid surfaces, and composite materials. This set includes 1-1/4 inch Allen posts, wing nuts, and star washers, providing a dependable, high-strength connection for sink mounting applications.
Each component is made from high-quality stainless steel to ensure corrosion resistance, durability, and long-term performance in wet environments such as kitchens and bathrooms. Whether used in residential or commercial settings, this matched hardware set simplifies installation and ensures a stable, flush hold.
Key Features and Benefits
✔ Complete installation pack – Includes 1-1/4 inch Allen posts, wing nuts, and star washers for Keep-Nut™ sink mounting systems.
✔ High-strength fastening – Securely clamps sinks to stone, quartz, and solid surface materials for a long-lasting hold.
✔ Corrosion-resistant steel – Suitable for moisture-rich environments and resists rust or degradation.
✔ Versatile compatibility – Pairs with IM2S/P1.4-20/H6 Keep-Nut inserts for fast, adhesive-free mounting.
✔ Easy installation – Works with Keep-Nut™ press-in anchors for quick adjustments and reliable positioning.
✔ Ideal for high-volume use – The 100-pack is well suited for fabricators, installers, and large-scale projects.
Included in Each Set:
- (100) 1-1/4 inch Allen Post (1/4-20 thread)
- (100) Wing Nut (1/4-20 thread)
- (100) Star Washer (1/4-20 thread)
Product Specifications
| Specification | Details |
|---|---|
| Thread Size | 1/4-20 |
| Allen Post Length | 1-1/4 inch |
| Pack Size | 100 Allen posts, 100 wing nuts, 100 star washers |
| Compatibility | Keep-Nut™ IM2S/P1.4-20/H6 inserts |
| Common Uses | Undermount sink mounting |
Installation Guide
1. Drill and install Keep-Nut inserts – Use IM2S/P1.4-20/H6 anchors for a fast, adhesive-free installation.
2. Attach the 1-1/4 inch Allen post – Thread the post into the Keep-Nut insert to create the mounting point.
3. Position the sink clip – Place the Z-shaped clip against the sink flange for stable support.
4. Secure with the wing nut and star washer – Tighten against the sink clip to create a strong, adjustable hold.
Recommended Sink Mounting System
| Component | Function | Part # |
|---|---|---|
| Full Keep-Nut™ Sink Mounting Kit | Includes Keep-Nut™ inserts, Allen posts, wing nuts, star washers, and sink clips | CCH-KEEPNUT-1/4-KIT |
| 100 Pack – Keep-Nut™ IM2S/P1.4-20/H6 Inserts | Pack of 100 press-in Keep-Nut™ inserts | CCH-KEEPNUT-1/4-100 |
| 100 Pack – 1-1/4 inch Allen Posts, Wing Nuts and Star Washers | Pack of mounting hardware (posts, wing nuts, star washers) | CCH-KNPK-1-1/4-100 |
| Go/No-Go Hole Tester and Depth Gauge | Ensures correct hole dimensions before installing Keep-Nut™ | CCH-KNGAUGE |
| Keep-Nut™ Setting Tool | Presses the Keep-Nut™ anchor into the drilled hole | CCH-KNSET-1/4 |
Why Choose This 100 Pack for Sink Mounting?
✔ Designed for use with IM2S/P1.4-20/H6 Keep-Nut anchors to ensure a secure installation.
✔ Stainless steel construction resists moisture and offers long-term durability.
✔ Suitable for contractors, fabricators, and high-volume production environments.
✔ Supports fast, secure assembly while eliminating the need for adhesives in the mounting process.
For bulk orders, technical support, or specialized applications, contact Chemical Concepts for assistance.










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