Flat Countersinks DIN 373
Pilot: Fixed
Counters. angle: 180°
Shank: cylindrical
Cutting edges: 3
Cutting direction: right-hand cutting
Surface: White Finish, Black Oxided, Tin Coated
| For | CSK Dia. | Pilot Dia. | Shank Dia | Total |
| thread | d2 | d1 | d3 | length L |
| mm | mm | mm | mm | |
| M 3 | 6.0 | 3.2 | 5.0 | 71.0 |
| M 4 | 8.0 | 4.3 | 5.0 | 71.0 |
| M 5 | 10.0 | 5.3 | 8.0 | 80.0 |
| M 6 | 11.0 | 6.4 | 8.0 | 80.0 |
| M 8 | 15.0 | 8.4 | 12.5 | 100.0 |
| M 10 | 18.0 | 10.5 | 12.5 | 100.0 |
| M 12 | 20.0 | 13.0 | 12.5 | 100.0 |
| M 14 | 24.0 | 14.4 | 12.5 | 100.0 |
| M 16 | 26.0 | 16.5 | 16.0 | 100.0 |