Tabella dei fili UNC, UNF e UNEF

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Tabella dei fili UNC, UNF e UNEF

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La tabella seguente mostra i tipi di filettatura, le dimensioni e le specifiche delle filettature Unified Coarse (UNC), Unified Fine (UNF) e Unified Extra Fine (UNEF).

Le dimensioni delle filettature non sono direttamente intercambiabili. Solo a titolo indicativo.

UNC

Filo	Diametro maggiore	Filo per pollice	Diametro primitivo	Diametro minore Filetto maschio	Diametro minore Filetto femminile
1	0.0730	64	0.0629	0.0544	0.0561
2	0.0860	56	0.0744	0.0648	0.0667
3	0.0990	48	0.0855	0.0741	0.0764
4	0.1120	40	0.0958	0.0822	0.0849
5	0.1250	40	0.1088	0.0952	0.0979
6	0.1380	32	0.1177	0.1008	0.1042
8	0.1640	32	0.1437	0.1268	0.1302
10	0.1900	24	0.1629	0.1404	0.1449
12	0.2160	24	0.1889	0.1664	0.1709
1/4	0.2500	20	0.2175	0.1905	0.1959
5/16	0.3125	18	0.2764	0.2464	0.2524
3/8	0.3750	16	0.3344	0.3005	0.3073
7/16	0.4375	14	0.3911	0.3525	0.3602
1/2	0.5000	13	0.4500	0.4084	0.4167
9/16	0.5625	12	0.5084	0.4633	0.4723
5/8	0.6250	11	0.5660	0.5168	0.5266
3/4	0.7500	10	0.6850	0.6309	0.6417
7/8	0.8750	9	0.8028	0.7427	0.7547
1	1.0000	8	0.9188	0.8512	0.8647
1-1/8	1.1250	7	1.0322	0.9549	0.9704
1 1/4	1.2500	7	1.1572	1.0799	1.0954
1-3/8	1.3750	6	1.2667	1.1766	1.1946
1 1/2	1.5000	6	1.3917	1.3016	1.3196
1 3/4	1.7500	5	1.6201	1.5119	1.5335
2	2.0000	4.5	1.8557	1.7353	1.7594
2 1/4	2.2500	4.5	2.1057	1.9853	2.0094
2 1/2	2.5000	4	2.3376	2.2023	2.2294
2 3/4	2.7500	4	2.5876	2.4523	2.4794
3	3.0000	4	2.8376	2.7023	2.7294
3 1/4	3.2500	4	3.0876	2.9523	2.9794
3 1/2	3.5000	4	3.3376	3.2023	3.2294
3 3/4	3.7500	4	3.5876	3.4523	3.4794
4	4.0000	4	3.8376	3.7023	3.7294

UNF

Filo	Diametro maggiore	Filo per pollice	Diametro primitivo	Filettatura maschio di diametro minore	Filettatura femmina di diametro minore
0	0.0600	80	0.0519	0.0451	0.0465
1	0.0730	72	0.0640	0.0565	0.0580
2	0.0860	64	0.0759	0.0674	0.0691
3	0.0990	56	0.0874	0.0778	0.0797
4	0.1120	48	0.0985	0.0871	0.0894
5	0.1250	44	0.1102	0.0979	0.1004
6	0.1380	40	0.1218	0.1082	0.1109
8	0.1640	36	0.1460	0.1309	0.1339
10	0.1900	32	0.1697	0.1528	0.1562
12	0.2160	28	0.1928	0.1734	0.1773
1/4	0.2500	28	0.2268	0.2074	0.2113
5/16	0.3125	24	0.2854	0.2629	0.2674
3/8	0.3750	24	0.3479	0.3254	0.3299
7/16	0.4375	20	0.4050	0.3780	0.3834
1/2	0.5000	20	0.4675	0.4405	0.4459
9/16	0.5625	18	0.5264	0.4964	0.5024
5/8	0.6250	18	0.5889	0.5589	0.5649
3/4	0.7500	16	0.7094	0.6763	0.6823
7/8	0.8750	14	0.8286	0.7900	0.7977
1	1.0000	12	0.9459	0.9001	0.9098
1 1/8	1.1250	12	1.0709	1.0258	1.0348
1 1/4	1.2500	12	1.1959	1.1508	1.1598
1 3/8	1.3750	12	1.3209	1.2758	1.2848
1 1/2	1.5000	12	1.4459	1.4008	1.4098

UNEF

Filo	Diametro maggiore	Filo per pollice	Diametro primitivo	Filettatura maschio di diametro minore	Filettatura femmina di diametro minore
N. 12	0.2160	32	0.1957	0.1788	0.1822
1/4	0.2500	32	0.2297	0.2128	0.2162
5/16	0.3125	32	0.2922	0.2753	0.2787
3/8	0.3750	32	0.3547	0.3378	0.3412
7/16	0.4375	28	0.4143	0.3949	0.3988
1/2	0.5000	28	0.4768	0.4574	0.4613
9/16	0.5625	24	0.5354	0.5129	0.5174
5/8	0.6250	24	0.5979	0.5754	0.5799
11/16	0.6875	24	0.6604	0.6379	0.6424
3/4	0.7500	20	0.7175	0.6905	0.6959
13/16	0.8125	20	0.7800	0.7530	0.7584
7/8	0.8750	20	0.8425	0.8155	0.8209
15/16	0.9375	20	0.9050	0.8780	0.8834
1	1.0000	20	0.9675	0.9405	0.9459
1 1/16	1.0625	18	1.0264	0.9964	1.0024
1 1/8	1.1250	18	1.0889	1.0589	1.0649
1 3/16	1.1875	18	1.1514	1.1214	1.1274
1 1/4	1.2500	18	1.2139	1.1839	1.1899
1 5/16	1.3125	18	1.2764	1.2464	1.2524
1 3/8	1.3750	18	1.3389	1.3089	1.3149
1 7/16	1.4375	18	1.4014	1.3714	1.3774
1 1/2	1.5000	18	1.4639	1.4339	1.4399
1 9/16	1.5625	18	1.5264	1.4964	1.5024
1 5/8	1.6250	18	1.5889	1.5589	1.5649
1 11/16	1.6875	18	1.6514	1.6214	1.6274

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Tabella dei fili UNC, UNF e UNEF

UNC

UNF

UNEF

UNC

UNF

UNEF

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