Counterbores
Our counterbores designed with the highest quality M35 HSSe 5% Cobalt allow a multitude of sized bolt or cap-head screws to sit flush within holding material. Designed for use on many types of materials (plastics, woods, metals) at varying speeds, our ISO 9001 standard products give outstanding results everytime.
Plain Shank Counterbores
| DIN373 | Click to View Details |
 |
3 Flutes / Straight shank |
| D1 mm | D2 mm | D3 mm | L1 mm | L2 mm | kg x1 | |
|---|---|---|---|---|---|---|
| 373-3.2-6.0 | 3.2f | 6.0 | 5.0 | 71 | 14 | 0.011 |
| 373-3.4-6.0 | 3.4m | 6.0 | 5.0 | 71 | 14 | 0.011 |
| 373-3.7-6.5 | 3.7f | 6.5 | 5.0 | 71 | 14 | 0.011 |
| 373-3.9-6.5 | 3.9m | 6.5 | 5.0 | 71 | 14 | 0.011 |
| 373-4.3-8.0 | 4.3f | 8.0 | 5.0 | 71 | 14 | 0.013 |
| 373-4.5-8.0 | 4.5m | 8.0 | 5.0 | 71 | 14 | 0.013 |
| 373-5.3-10.0 | 5.3f | 10.0 | 8.0 | 80 | 18 | 0.029 |
| 373-5.5-10.0 | 5.5m | 10.0 | 8.0 | 80 | 18 | 0.029 |
| 373-6.4-11.0 | 6.4f | 11.0 | 8.0 | 80 | 18 | 0.030 |
| 373-6.6-11.0 | 6.6m | 11.0 | 8.0 | 80 | 18 | 0.030 |
| 373-8.4-15.0 | 8.4f | 15.0 | 12.5 | 100 | 22 | 0.080 |
| 373-9.0-11.0 | 9.0m | 15.0 | 12.5 | 100 | 22 | 0.080 |
| 373-10.5-18.0 | 10.5f | 18.0 | 12.5 | 100 | 22 | 0.090 |
| 373-11.0-18.0 | 11.0m | 18.0 | 12.5 | 100 | 22 | 0.090 |
| 373-13.0-20.0 | 13.0f | 20.0 | 12.5 | 100 | 22 | 0.100 |
| 373-13.5-20.0 | 13.5m | 20.0 | 12.5 | 100 | 22 | 0.100 |