Flat Countersinks HSS With Fixed Guide
Mod 311- Flat Countersinks HSS With Fixed Guide
Counters. angle: 180
Shank: Morse taper
Cutting edges: 3
Surface: Bright & Black oxided
Pilot : Fixed
Packing unit: in individual plastic packs
For producing countersinkings for cylinderhead screws, thread-cutting screws and thread-furrowing screws. Ideal for burr- and chatter-free deburring and countersinking.
Applicable for steel, cast iron, non-ferrous and light metals.Best results at low cutting speeds
| 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 |