CHARTE DES FILETS
THREAD CHART
UNC / UNF
Grandeur UNC UNF Diamètre nominal
Size Filet / Thread Filet / Thread Nominal diameter
1/4 20 28 0.2500
5/16 18 24 0.3125
3/8 16 24 0.3750
7/16 14 20 0.4375
1/2 13 20 0.5000
9/16 12 18 0.5625
5/8 11 18 0.6250
3/4 10 16 0.7500
7/8 9 14 0.8750
1 8 14 1.0000
1.1/8 7 12 1.1250
1.1/4 7 12 1.2500
1.3/8 6 12 1.3750
1.1/2 6 12 1.5000
CHARTE DES FILETS
THREAD CHART
UNC / UNF
Grandeur UNC UNF Diamètre nominal
Size Filet / Thread Filet / Thread Nominal diameter
#0 80 0.0600
#1 64 72 0.0730
#2 56 64 0.0860
#3 48 56 0.0990
#4 40 48 0.1120
#5 40 44 0.1250
#6 32 40 0.1380
#8 32 36 0.1640
#10 24 32 0.1900
#12 24 28 0.2160
1/4 20 28 0.2500
5/16 18 24 0.3125
3/8 16 24 0.3750
7/16 14 20 0.4375
1/2 13 20 0.5000
9/16 12 18 0.5625
5/8 11 18 0.6250
3/4 10 16 0.7500
7/8 9 14 0.8750
1 8 14 1.0000
1.1/8 7 12 1.1250
1.1/4 7 12 1.2500
1.3/8 6 12 1.3750
1.1/2 6 12 1.5000
1.3/4 5 12 1.6250
2 4.5 12 2.0000
2.1/4 4.1/2 2.2500
2.1/2 4 2.5000
2.3/4 4 2.7500
3 4 3.0000
3.1/4 4 3.2500
3.1/2 4 3.5000
3.3/4 4 3.7500
4 4 4.0000