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Sherwood Solid HSS Counterbore Threaded Sank
To suit bolt ISO Metric/Din Standards
Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to BS328: 5:1983.
Description
Metric
| Bolt Size (mm) | Pilot Dia. | Cutter Dia. | Overall Length | Weight each |
| 3 | 3.4 | 6 | 65 | 10g |
| 4 | 4.3 | 8 | 65 | 10g |
| 5 | 5.3 | 10 | 70 | 10g |
| 6 | 6.4 | 11 | 76 | 20g |
| 8 | 8.4 | 15 | 87.3 | 60g |
| 10 | 10.5 | 18 | 89 | 70g |
| 12 | 13.0 | 20 | 108 | 110g |
| 16 | 17.0 | 26 | 125 | 225g |
