UNC
ANSI B 1.1, BS 1580:1962
UNIFIKOVANÝ HRUBÝ ZÁVIT

LÍCOVANIE ZÁVITU MATICE:
3B=PRESNÉ, 2B=STREDNÉ, 1B = HRUBÉ

D = veľký závitu matice
D2 = stredný závitu matice
D1 = malý závitu matice
P= stúpanie
Z = počet závitov / 1"
d = D
Závit
Dmin
D1 min
D1 max
d - Z
d (")
P
3B, 2B, 1B
3B
2B, 1B
1-64
0,073
0,397
1,854
1,425
1,582
1,582
2-56
0,086
0,454
2,184
1,694
4,872
1,872
3-48
0,099
0,529
2,515
1,941
2,146
2,146
4-40
0,112
0,635
0,845
2,156
2,385
2,385
5-40
0,125
0,635
3,175
2,487
2,697
2,697
6-32
0,138
0,794
3,505
2,647
2,896
2,896
8-32
0,164
0,794
4,166
3,307
3,528
3,531
10-24
0,190
1,058
4,826
3,680
3,950
3,96
12-24
0,216
1,058
5,486
4,341
4,590
4,597
1/4-20
0,250
1,270
6,350
4,976
5,250
5,258
5/16-18
0,3125
1,411
7,938
6,411
6,680
6,731
3/8-18
0,375
1,588
9,525
7,805
8,082
8,153
7/16-14
0,4375
1,814
11,112
9,149
9,441
9,550
1/2-13
0,500
1,954
12,700
10,584
10,881
11,024
9/16-12
0,5625
2,117
14,288
11,996
12,301
12,445
5/8-11
0,625
2,309
15,875
13,376
13,693
13,868
3/4-10
0,750
2,540
19,050
16,299
16,624
16,840
7/8-9
0,875
2,822
22,225
19,169
19,520
19,761
1-8
1,000
3,175
25,400
21,936
22,344
22,606
1 1/8-7
1,125
3,629
28,575
24,648
25,082
25,349
1 1/4-7
1,250
3,629
31,750
27,823
28,258
28,524
1 3/8-6
1,375
4,233
34,925
30,343
30,851
31,115
1 1/2-6
1,500
4,233
38,100
33,518
34,026
34,290
1 3/4-5
1,750
5,080
44,450
38,951
39,560
39,827
2-4 1/2
2,000
5,645
50,800
44,689
45,367
45,593
2 1/4 - 4 1/2
2,250
5,645
57,150
51,039
51,717
51,943
2 1/2 - 4
2,500
6,350
63,500
56,627
57,389
57,582
2 3/4 - 4
2,750
6,350
69,850
62,977
63,739
63,932
3-4
3,000
6,350
76,200
69,327
70,089
70,282
3 1/4 - 4
3,250
6,350
82,550
75,677
76,439
76,632
3 1/2 - 4
3,500
6,350
88,900
82,027
82,789
82,982
3 3/4 - 4
3,750
6,350
95,250
88,377
89,139
89,332
4 - 4
4,000
6,350
101,600
94,727
95,489
95,682