UNI 8118 N Self Drilling screws
Equivalent Standards
Dimensions for UNI 8118 N Self Drilling screws
| Thread d | dk | k | r | Cross recess |
Type H | Type Z | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| m | penetration depth | m | penetration depth | ||||||||
| nom=max | min. | approx | max | No. | approx | min | max | aprrox | min | max | |
| ST 2.9 | 5.5 | 5.2 | 1.7 | 1.1 | 1 | 3 | 1.4 | 1.7 | 2.8 | 1.48 | 1.73 |
| ST3.5 | 6.8 | 6.44 | 2.1 | 1.4 | 2 | 4.2 | 1.62 | 2.12 | 4 | 1.6 | 2.06 |
| ST 3.9 | 7.5 | 7.14 | 2.3 | 1.5 | 2 | 4.6 | 2.03 | 2.53 | 4.2 | 1.85 | 2.31 |
| ST 4.2 | 8.1 | 7.74 | 2.5 | 1.6 | 2 | 4.7 | 2.11 | 2.62 | 4.4 | 2.05 | 2.51 |
| ST 4.8 | 9.5 | 9.14 | 3 | 1.9 | 2 | 5.1 | 2.59 | 3.1 | 5 | 2.64 | 3.1 |
| ST 5.5 | 10.8 | 10.37 | 3.4 | 2.1 | 3 | 6.8 | 2.95 | 3.53 | 6.3 | 2.72 | 3.16 |
| ST 6.3 | 12.4 | 11.97 | 3.8 | 2.4 | 3 | 7.1 | 3.33 | 3.91 | 7 | 3.38 | 3.84 |