Inconel 718 Button Head Screw to JIS B 1174 Inner Hexagonal Round Head Screw
End Chamfer, d≤M4 is hard end
JIS B 1174 Inner hexagonal round head screw Dimensions
| Thread Specifications d |
M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | |
|---|---|---|---|---|---|---|---|---|---|
| P | Sole spacing | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 |
| K | Maximum value | 1.65 | 2.2 | 2.75 | 3.3 | 4.4 | 5.5 | 6.6 | 8.8 |
| Minimum value | 1.4 | 1.95 | 2.5 | 3 | 4.1 | 5.2 | 6.24 | 8.44 | |
| d k | Maximum value | 5.7 | 7.6 | 9.5 | 10.5 | 14 | 17.5 | 21 | 28 |
| Minimum value | 5.4 | 7.24 | 9.14 | 10.07 | 13.57 | 17.07 | 20.48 | 27.48 | |
| S | Nominal | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 |
| Maximum value | 2.045 | 2.56 | 3.08 | 4.095 | 5.095 | 6.095 | 8.115 | 10.175 | |
| Minimum value | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | |
| t | Minimum value | 1.04 | 1.3 | 1.56 | 2.08 | 2.6 | 3.12 | 4.16 | 5.2 |
| a | Maximum value | 1 | 1.4 | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 |
| Minimum value | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | |
| da | Maximum value | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 17.7 |
| e | Minimum value | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 |
| R | Minimum value | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 |
| W | Minimum value | 0.2 | 0.3 | 0.38 | 0.74 | 1.05 | 1.45 | 1.63 | 2.25 |