Button head security screws hex socket drive + pin
Safety screw with rounded head, inside hexagon and
safety pin, ~ISO 7380.
Used together with hex keys DIN 911 PIN
| d1 | M4 | M5 | M6 | M8 |
|---|---|---|---|---|
| d2 max | 7.6 | 9.5 | 10.5 | 14 |
| k max | 2.2 | 2.75 | 3.3 | 4.4 |
| s | 2.5 | 3 | 4 | 5 |
| t min | 1.3 | 1.56 | 2.08 | 2.6 |
| d3 max | 1.1 | 1.3 | 1.6 | 2 |
