Description
ULTRA - SHEET METAL SPECIFICATION - DIN 371 - CATALOGUE 6606
Material: HSS-CO
Notes: for shallow tapping up to 1 time the ø of the male
| Ø | L1 | L2 | D2h9 | a h12 | Ø Pre-hole | Passo |
| 1.7 | 40 | 8 | 2.5 | 2.1 | 1.3 | 0.35 |
| 4 | 63 | 13 | 4.5 | 3.4 | 3.3 | 0.7 |
| 8 | 90 | 22 | 8 | 6.2 | 6.8 | 1.25 |