| Aluminium > 8% silicon: | 50 |
|---|---|
| Cast iron gg/gts: | 33 |
| For thread: | M8 |
| Ggg cast iron: | 26 |
| Inox austenite.: | 8 |
| Inox duplex: | 6 |
| Inox ferrite./martenz.: | 10 |
| Length of steps l3: | 21.0 mm |
| Ø drill bits d1 x ø countersink d2: | 6.8 x 9.0 mm |
| Spiral length l2: | 40 mm |
| Steel < 1000 n/mm2: | 24 |
| Steel < 1400 n/mm2: | 19 |
| Steel < 700 n/mm2: | 30 |
| Total length l1: | 84 mm |
Short step drill, 90°, for thread holes
Design: depth angle 90°.
Application: for drilling thread holes according to DIN 336, part 1 and countersinks of 90° according to through holes according to DIN EN 20273. 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.