CWFRN4C 4" Diamond Resin Cup Wheel – Coarse Grit
The CWFRN4C is a 4-inch coarse diamond resin cup wheel designed for aggressive grinding and material removal on stone, concrete, and engineered surfaces. Its coarse grit quickly shapes and prepares surfaces before polishing.
4" Flat Resin Cup Wheel No Water Channel Coarse polishing pad designed for fast, smooth stone finishing. Ideal for granite, marble, and engineered stone surfaces. Delivers reliable performance with angle grinders or air polishers.
Key Features
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Coarse grit diamond resin for fast material removal and rough grinding.
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4″ diameter with 5/8″‑11 threaded arbor for standard angle grinders.
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Can be used wet or dry depending on the tool and material.
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Durable resin construction for long-lasting performance.
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Beveled edge helps grind edges and contours with control.
Specifications
| Attribute | Details |
|---|---|
| SKU | CWFRN4C |
| Diameter | 4″ |
| Grit Level | Coarse (approx. 30 grit) |
| Arbor/Thread | 5/8″‑11 |
| Max Speed | 11,000 RPM |
| Bond Type | Diamond resin |
| Use | Stone, concrete, engineered surfaces |
| Wet/Dry | Wet or dry |
Product Specifications Table
| ITEM # | SIZE | GRIT | FITTING/BODY | MAX RPM |
|---|---|---|---|---|
| CWFRN4C | 4″ | Coarse 30 | 5/8″ – 11 thread, steel | 11,000 |
| CWFRN4M | 4″ | Medium 50 | 5/8″ – 11 thread, steel | 11,000 |
| CWFRN4F | 4″ | Fine 100 | 5/8″ – 11 thread, steel | 11,000 |
| CWFR50 | 5″ | Coarse 30 | 5/8″ – 11 thread, steel | 7,500 |
| CWFR5M | 5″ | Medium 50 | 5/8″ – 11 thread, steel | 7,500 |
| CWFR5F | 5″ | Fine 100 | 5/8″ – 11 thread, steel | 7,500 |
