| Aluminium > 8% silicon: | 50 |
|---|---|
| Cast iron gg/gts: | 33 |
| For thread: | M4 |
| Ggg cast iron: | 26 |
| Inox austenite.: | 8 |
| Inox duplex: | 6 |
| Inox ferrite./martenz.: | 10 |
| Length of steps l3: | 11 mm |
| Ø drill bits d1 x ø countersink d2: | 4.5 x 8 mm |
| Spiral length l2: | 37 mm |
| Steel < 1000 n/mm2: | 24 |
| Steel < 1400 n/mm2: | 19 |
| Steel < 700 n/mm2: | 30 |
| Total length l1: | 79 mm |
Short step, 180°, through hole
Made of products: 180° depth angle, medium quality.
Application: for screw holes according to DIN EN 20273 and countersinks under screw heads 180°. Shape H, J and K according to DIN 84, DIN 912, DIN 6912, DIN 7513 and DIN 7984. Designed especially for use on NC and CNC machines.
Despite our best efforts, we cannot guarantee that the published technical data and photos do not contain inaccuracies or errors, which, however, cannot be a basis for claims.