| Part Number | CED | KERF (DECIMAL) | KERF (FRACTION) | BORE | WINGS |
|---|---|---|---|---|---|
| SDR187-4 | 1-1/4˝ | .187˝ | 3/16˝ | 5/16˝ | 4 |
| SDR250-4 | 1-1/4˝ | .250˝ | 1/4˝ | 5/16˝ | 4 |
| SDR187-6 | 1-1/4˝ | .187˝ | 3/16˝ | 5/16˝ | 6 |
| SDR250-6 | 1-1/4˝ | .250˝ | 1/4˝ | 5/16˝ | 6 |
| Part Number | CED | KERF (DECIMAL) | KERF (FRACTION) | BORE | WINGS |
|---|---|---|---|---|---|
| SDR187-4 | 1-1/4˝ | .187˝ | 3/16˝ | 5/16˝ | 4 |
| SDR250-4 | 1-1/4˝ | .250˝ | 1/4˝ | 5/16˝ | 4 |
| SDR187-6 | 1-1/4˝ | .187˝ | 3/16˝ | 5/16˝ | 6 |
| SDR250-6 | 1-1/4˝ | .250˝ | 1/4˝ | 5/16˝ | 6 |
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to https://www.p65warnings.ca.gov/ or https://oehha.ca.gov/proposition-65/about-proposition-65