Specifications of historical Thread Standards

Was used in France before introduction of the S.I. Thread. S.F. = System Français.
The flank angle is 60°.

Thread-
No.
Nominal
Diameter
mm
Pitch
mm
Tapping
Drill Size
mm
06.001.004.70
-8.001.006.70
110.001.508.05
-12.001.5010.05
214.002.0011.40
-16.002.0013.40
318.002.5014.75
-20.002.5016.75
-22.002.5018.75
424.003.0020.10
-26.003.0022.10
-28.003.0024.10
530.003.5025.45
-32.003.5027.45
-34.003.5029.45
636.004.0030.80
-38.004.0032.80
-40.004.0034.80
742.004.5036.15
-44.004.5038.15
-46.004.5040.15
848.005.0041.50
-50.005.0043.50
956.005.5048.85
1064.006.0056.20
1172.006.5063.55
1280.007.0070.90
1388.007.5078.25
1496.008.0085.60
15106.008.5095.95
16116.009.00104.30
17126.009.50113.65
18136.0010.00123.00
19148.0010.50134.05
Frensh Thread