UNF
Unified National Fine Thread Series ANSI B1.1
Amerikanisches Feingewinde

UNF Außen-Ø
in Zoll		 Außen-Ø
in mm		 Gänge je
Zoll		 Steigung P
in mm
UNF No. 0 - 80 0,060 1,524 80 0,317
UNF No. 1 - 72 0,073 1,854 72 0,353
UNF No. 2 - 64 0,068 2,184 64 0,397
UNF No. 3 - 56 0,099 2,515 56 0,453
UNF No. 4 - 48 0,112 2,845 48 0,529
UNF No. 5 - 44 0,125 3,175 44 0,577
UNF No. 6 - 40 0,138 3,505 40 0,635
UNF No. 8 - 36 0,164 4,166 36 0,705
UNF No. 10 - 32 0,190 4,826 32 0,794
UNF No. 12 - 28 0,216 5,486 28 0,907
UNF 1/4" - 28 0,250 6,350 28 0,907
UNF 5/16" - 24 0,313 7,938 24 1,058
UNF 3/8" - 24 0,375 9,525 24 1,058
UNF 7/16" - 20 0,438 11,112 20 1,270
UNF 1/2" - 20 0,500 12,700 20 1,270
UNF 9/16" - 18 0,563 14,288 18 1,411
UNF 5/8" - 18 0,625 15,875 18 1,411
UNF 3/4" - 16 0,750 19,050 16 1,587
UNF 7/8" - 14 0,875 22,225 14 1,814
UNF 1" - 12 1,000 25,400 12 2,117
UNF 1 1/8" - 12 1,125 28,575 12 2,117
UNF 1 1/4" - 12 1,250 31,750 12 2,117
UNF 1 3/8" - 12 1,375 34,925 12 2,117
UNF 1 1/2" - 12 1,500 38,100 12 2,117


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