PHILLIPS WAFER HEAD
製品
PHILLIPS WAFER HEAD
Unit: millimetres
| Size designation | Head dia. (dk) |
Taper dia. (da) |
Head height (k) |
Cross recess NO. |
Cross recess penetration value | Radius (r) |
|||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | ||
| ST 3.5(No. 6) | 6.73 | 6.86 | 4.06 | 4.32 | 1.39 | 1.65 | Type H Ko. 2 | 1.27 | 1.88 | 0.25 | 0.51 |
| ST 4.2(No. 8) | 7.77 | 8.18 | 4.57 | 4.83 | 1.65 | 1.90 | Type H Ko. 2 | 1.27 | 1.90 | 0.25 | 0.51 |
| ST 4.8(No.10) | 8.94 | 9.53 | 4.83 | 5.21 | 1.52 | 2.03 | Type H Ko. 2 | 1.90 | 2.67 | 0.38 | 0.89 |
Unit: millimetres
| Size designation | Head dia. (dk) |
Taper dia. (da) |
Head height (k) |
Cross recess NO. |
Cross recess penetration value | Radius (r) |
|||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | ||
| ST 4.8(No. 10) | 9.07 | 9.47 | 4.83 | 5.26 | 1.65 | 1.91 | Type H No. 2 | 2.13 | 2.74 | 0.38 | 0.89 |
