Bind Head Shape and Dimensions = Standard JIS
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Technical Data
| Screw diameter | Machine screw Thread Pitch | No. of Phillips recess | a Head Diameter size | a Tolerance | b Head Thickness size | b Tolerance |
| M2 | 0.4 | 1 | 4.3 | + 0 - 0.4 | 1.2 | + / - 0.15 |
| ( M2.2 ) | 0.45 | 1 | 4.7 | + 0 - 0.4 | 1.3 | + / - 0.15 |
| ( M 2.3 ) | 0.45 | 1 | 4.9 | + 0 - 0.4 | 1.4 | + / - 0.15 |
| M2.5 | 0.45 | 1 | 5.3 | + 0 - 0.4 | 1.5 | + / - 0.15 |
| ( M2.6 ) | 0.45 | 1 | 5.5 | + 0 - 0.4 | 1.6 | + / - 0.15 |
| M3 | 0.5 | 2 | 6.3 | + 0 - 0.5 | 1.9 | + / - 0.2 |
| ( M3.5 ) | 0.6 | 2 | 7.3 | + 0 - 0.5 | 2.5 | + / - 0.2 |
| M4 | 0.7 | 2 | 8.3 | + 0 - 0.5 | 2.5 | + / - 0.2 |
| ( M4.5 ) | 0.75 | 2 | 9.3 | +0 - 0.6 | 2.8 | + / - 0.2+ / - 0.2 |
| M5 | 0.8 | 2 | 10.3 | +0 - 0.6 | 3.1 | + / - 0.2 |
| M6 | 1.0 | 3 | 12.4 | + 0 - 0.7 | 3.7 | + / - 0.3 |
| M8 | 1.25 | 3 | 16.4 | + 0 - 0.8 | 4.8 | + / - 0.3 |
