Pan Head Shape and Dimensions = Standard JIS
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 |
3.5 |
+ 0 - 0.4 | 1.3 | + / - 0.1 |
( M2.2 ) | 0.45 | 1 | 4 | + 0 - 0.4 | 1.5 | + / - 0.1 |
( M2.3 ) | 0.45 | 1 | 4 | + 0 - 0.4 | 1.5 | + / - 0.1 |
M2.5 | 0.45 | 1 | 4.5 | + 0 - 0.4 | 1.7 | + / - 0.1 |
( M2.6 ) | 0.45 | 1 | 4.5 | + 0 - 0.4 | 1.7 | + / - 0.1 |
M3 | 0.5 | 2 | 5.5 | + 0 - 0.5 | 2 | + / - 0.15 |
( M3.5 ) | 0.6 | 2 | 6 | + 0 - 0.5 | 2.3 | + / - 0.15 |
M4 | 0.7 | 2 | 7 | + 0 - 0.5 | 2.6 | + / - 0.15 |
( M4.5 ) | 0.75 | 2 | 8 | + 0 - 0.6 | 2.9 | + / - 0.15 |
M5 | 0.8 | 2 | 9 | + 0 - 0.6 | 3.3 | + / - 0.15 |
M6 | 1.0 | 3 | 10.5 | + 0 - 0.7 | 3.9 | + / - 0.2 |
M8 | 1.25 | 3 | 14 | + 0 - 0.8 | 5.2 | + / - 0.2 |