Thread Size | d | P | L | Guideline values for receiving hole diameter,Ref. | Minimum borehole depth for blind holes |
D | External Thread Diameter | Thread Pitch | Length | ||
M3 | 5 | 0.6 | 6 | 4.7 ~ 4.8 | 8 |
M3.5 | 6 | 0.8 | 8 | 5.6 ~ 5.7 | 10 |
M4 | 6.5 | 0.8 | 8 | 6.1 ~ 6.2 | 10 |
M5 | 8 | 1 | 10 | 7.6 ~ 7.7 | 13 |
M6 | 10 | 1.25 | 12 | 9.5 ~ 9.6 | 15 |
M8 | 12 | 1.5 | 14 | 11.3 ~ 11.5 | 17 |
M10 | 14 | 1.5 | 18 | 13.3 ~ 13.5 | 22 |
M12 | 16 | 1.75 | 22 | 15.2 ~ 15.4 | 26 |
M14 | 18 | 2 | 24 | 17.2 ~ 17.4 | 28 |
M16 | 20 | 2 | 24 | 19.2 ~ 19.4 | 28 |
M18 | 22 | 2 | 24 | 21.2 ~ 21.4 | 28 |
M20 | 26 | 2 | 27 | 25.2 ~ 25.4 | 31 |
M22 | 26 | 2 | 30 | 25.2 ~ 25.4 | 34 |
M24 | 30 | 2 | 30 | 29.2 ~ 29.4 | 34 |