Standard NF E25-107
This norm has been cancelled
Screws With Six Lobes Recessed Countersunk Head...

Dimensions in mm - source NF E 25-107 Publication date: 09/2007 | |||||||||
d thread size | P | b | dk max=nom | k max | t min | t max | A | Socket Nr. | |
M 3 | 0.5 | 25 | 7.40 | 2.20 | 0.92 | 1.18 | 2.8 | T10 | |
M 4 | 0.7 | 38 | 10.02 | 3.01 | 1.30 | 1.69 | 3.95 | T20 | |
M 5 | |||||||||
M 6 | |||||||||
M 8 | |||||||||
M 10 |