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Formã și dimensiuni
Semnificaþii notații:
d – diametrul exterior (nominal) al filetului (ºurubului sau piuliþei), D - diametrul
exterior al filetului piuliþei (D = d), d1/D1 – diametrul interior al
filetului ºurubului/piuliþei (d1 = D1), d2/D2 - diametrul mediu al filetului ºurubului/piuliþei (d2 = D2), p
– pasul.
Valori dimensiuni
Obs. Valorile marcate cu bold corespund pasului normal care se
recomandã, cu precãdere, pentru asamblãri de fixare uzuale.
|
Diametrul nominal al filetului, d
[mm]
|
Pasul
[mm]
|
Dimensiuni nominale
|
|
D = d
[mm]
|
D2 = d2
[mm]
|
D1 = d1
[mm]
|
|
4
|
0,7
|
4
|
3,545
|
3,242
|
|
0,5
|
3,675
|
3,459
|
|
4,5
|
0,75
|
4,5
|
4,013
|
3,688
|
|
0,5
|
4,175
|
3,959
|
|
5
|
0,8
|
5
|
4,480
|
4,134
|
|
0,5
|
4,675
|
4,459
|
|
5,5
|
0,5
|
5,5
|
5,175
|
4,959
|
|
6
|
1
|
6
|
5,350
|
4,917
|
|
0,75
|
5,513
|
5,188
|
|
0,5
|
5,675
|
5,459
|
|
7
|
1
|
7
|
6,350
|
5,917
|
|
0,75
|
6,513
|
6,188
|
|
0,5
|
6,675
|
6,459
|
|
8
|
1,25
|
8
|
7,188
|
6,647
|
|
1
|
7,350
|
6,917
|
|
0,75
|
7,513
|
7,188
|
|
0,5
|
7,675
|
7,459
|
|
9
|
1,25
|
9
|
8,188
|
7,647
|
|
1
|
8,350
|
7,917
|
|
0,75
|
8,513
|
8,188
|
|
0,5
|
8,675
|
8,459
|
|
10
|
1,5
|
10
|
9,026
|
8,376
|
|
1,25
|
9,188
|
9,647
|
|
1
|
9,350
|
8,917
|
|
0,75
|
9,513
|
9,188
|
|
0,5
|
9,675
|
9,459
|
|
11
|
1,5
|
10
|
10,026
|
9,376
|
|
1
|
10,350
|
9,917
|
|
0,75
|
10,513
|
10,188
|
|
0,5
|
10,675
|
10,459
|
|
12
|
1,75
|
12
|
10,863
|
10,106
|
|
1,5
|
11,026
|
10,376
|
|
1,25
|
11,188
|
10,647
|
|
1
|
11,350
|
10,917
|
|
0,75
|
11,513
|
11,188
|
|
0,5
|
11,675
|
11,459
|
|
14
|
2
|
14
|
12,701
|
11,825
|
|
1,5
|
13,026
|
12,376
|
|
1,25
|
13,188
|
12,647
|
|
1
|
13,350
|
12,917
|
|
0,75
|
13,513
|
13,188
|
|
0,5
|
13,675
|
13,459
|
|
15,0
|
1,5
|
15
|
14,026
|
13,376
|
|
2
|
14,350
|
13,917
|
|
16
|
2
|
16
|
14,701
|
13,836
|
|
1,5
|
15,026
|
14,376
|
|
1
|
15,350
|
14,917
|
|
0,75
|
15,513
|
15,188
|
|
0,5
|
15,675
|
15,459
|
|
17
|
1,5
|
17
|
16,026
|
15,376
|
|
1
|
16,350
|
15,917
|
|
18
|
2,5
|
18
|
16,376
|
15,294
|
|
2
|
16,701
|
15,835
|
|
1,5
|
17,026
|
16,376
|
|
1
|
17,350
|
16,917
|
|
0,75
|
17,513
|
17,188
|
|
0,5
|
17,675
|
17,459
|
|
20
|
2,5
|
20
|
18,376
|
17,294
|
|
2
|
18,701
|
17,835
|
|
1,5
|
18,026
|
17,376
|
|
1
|
18,350
|
17,917
|
|
0,75
|
19,513
|
19,188
|
|
0,5
|
19,675
|
19,459
|
|
22
|
2,5
|
22
|
20,376
|
19,294
|
|
2
|
20,701
|
19,835
|
|
1,5
|
21,026
|
20,376
|
|
1
|
21,350
|
20,917
|
|
0,75
|
21,513
|
21,188
|
|
0,5
|
21,675
|
21,459
|
|
24
|
3
|
24
|
22,051
|
20,752
|
|
2
|
22,701
|
21,835
|
|
1,5
|
23,026
|
22,376
|
|
1
|
23,350
|
22,917
|
|
0,75
|
23,513
|
23,188
|
|
30
|
3,5
|
30
|
27,727
|
26,211
|
|
3
|
28,051
|
26,752
|
|
2
|
28,701
|
27,835
|
|
1,5
|
29,026
|
28,376
|
|
1
|
29,350
|
28,917
|
|
0,75
|
29,513
|
29,188
|
|
32
|
2
|
32
|
30,701
|
29,835
|
|
1,5
|
31,026
|
30,376
|
|
33
|
3,5
|
33
|
30,727
|
29,211
|
|
3
|
31,051
|
29,752
|
|
2
|
31,701
|
30,835
|
|
1,5
|
32,026
|
31,376
|
|
1
|
32,350
|
31,917
|
|
0,75
|
32,513
|
32,188
|
|
35
|
1,5
|
35
|
34,026
|
33,376
|
|
36
|
4
|
36
|
33,402
|
31,670
|
|
3
|
34,051
|
32,752
|
|
2
|
34,701
|
33,835
|
|
1,5
|
35,026
|
34,376
|
|
1
|
35,350
|
34,917
|
|
38
|
1,5
|
38
|
37,026
|
36,376
|
|
39
|
4
|
39
|
36,402
|
34,670
|
|
3
|
37,051
|
35,752
|
|
2
|
37,701
|
36,835
|
|
1,5
|
38,026
|
37,376
|
|
1
|
38,350
|
37,917
|
|
40
|
3
|
40
|
38,051
|
36,752
|
|
2
|
38,701
|
37,835
|
|
1,5
|
39,026
|
38,376
|
|
42
|
4,5
|
42
|
39,077
|
37,129
|
|
4
|
|
39,402
|
37,670
|
|
3
|
|
40,051
|
38,752
|
|
2
|
|
40,701
|
39,835
|
|
1,5
|
|
41,026
|
40,376
|
|
1
|
|
41,350
|
40,917
|
|