Informações técnicas
Roscas

MA (MG) - Rosca Métrica Grossa

D x passo
mm
Diâmetro do núcleo (mm)
Diâmetro da broca (mm)
máximo
minimo

3x0.50
3,5x0.60
4x0.70
4,5x0.75
5x0.80
6x1.00
7x1.00
8x1.25
9x1.25
10x1.50
12x1.75
14x2.00
16x2.00
18x2.50
20x2.50
22x2.50
24x3.00
30x3.50

2.599
3.010
3.422
3.878
4.334
5.153
6.153
6.912
7.912
8.676
10.441
12.210
14.210
15.744
17.744
19.744
21.252
26.771

2.459
2.850
3.242
3.688
4.134
4.917
5.917
6.647
7.647
8.376
10.106
11.835
13.835
15.294
17.294
19.294
20.752
26.211

5.2
2.9
2.3
3.7
4.2
5.0
6.0
6.8
7.8
8.5
10.2
12.0
14.0
15.5
17.5
19.5
21.0
26.5
BSW
Rosca Whitworth Grossa
D (pol)
fios / pol		 Diâmetro do núcleo (mm) Diâmetro da broca (mm)
máximo minimo

1/8-40
5/32-32
3/16-24
7/32-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-12
9/16-12
5/8-11
3/4-10
7/8-9
1"-8
1.1/8-7
1.1/4-7
1.3/8-6
1.1/2-6
1.5/8-5
1.3/4-5
1.7/8-4.1/2
2"-4.1/2
2.1/4-4
2.1/2-4
2.3/4-3.1/2
3-3.1/2
2.590
3.211
3.744
4.538
5.224
6.661
8.052
9.379
10.610
12.176
13.598
16.538
19.411
22.185
24.876
28.054
30.555
33.730
35.921
39.096
41.648
44.823
50.420
56.770
62.108
68.459
2.468
3.058
3.540
4.334
4.980
6.389
7.747
9.030
10.203
11.769
13.154
16.050
18.868
21.575
24.182
27.357
29.741
32.916
34.945
38.120
40.563
43.738
49.200
55.550
60.714
67.065
2.5
3.1
3.6
4.4
5.1
6.5
7.9
9.2
10.5
12.0
13.4
16.4
19.25
22.0
24.7
27.75
30.2
33.5
35.5
38.5
41.5
44.5
50.0
56.6
62.0
68.0
MB (MF)
Rosca Métrica Fina

D x passo
mm

 Diâmetro do núcleo (mm) Diâmetro da broca (mm)
máximo minimo

3x0.35
3.5x3.35
4x0.50
5x0.50
6x0.75
7x0.75
8x0.75
8x1.00
9x0.75
9x1.00
10x0.75
10x1.00
10x1.25
12x1.00
12x1.25
12x1.50
14x1.00
14x1.25
14x1.50
16x1.00
16x1.50
18x1.00
18x1.50
18x2.00
20x1.00
20x1.50
20x2.00
22x1.00
22x1.50
22x2.00
24x1.00
24x1.50
24x2.00
26x1.50
28x1.00
28x1.50
28x2.00
30x1.00
30x1.50
30x2.00
30x3.00

 7.721
3.221
3.599
4.599
5.378
6.378
7.378
7.153
8.378
8.153
9.378
9.153
8.912
11.153
10.912
10.676
13.153
12.912
12.676
15.153
14.676
17.153
16.676
16.210
19.153
18.676
18.210
21.153
20.676
20.210
23.153
22.676
22.210
24.676
27.153
26.676
26.210
29.153
28.676
28.210
27.252		 2.621
3.121
3.459
4.459
5.188
6.188
7.188
6.917
8.188
7.917
9.188
8.917
8.647
10.917
10.647
10.376
12.917
12.647
12.376
14.917
14.376
16.917
16.376
15.853
18.917
18.376
17.835
20.917
20.376
19.853
22.917
22.376
21.853
24.376
26.917
26.376
25.835
28.917
28.376
27.853
26.752		 2.65
3.15
3.5
4.5
5.2
6.2
7.2
7.0
8.2
8.0
9.2
9.0
8.8
11.0
10.8
10.5
13.0
12.8
12.5
15.0
14.5
17.0
16.6
16.0
19.0
18.5
18.0
21.0
20.5
20.0
23.0
22.5
22.0
24.5
27.0
26.5
26.0
29.0
28.5
28.0
27.5

NPT- Rosca Americana
Cônica p/ Tubos
Rosca Fios por
Polegadas		 Diâmetro
da Broca
1/16
1/8
1/4
3/8
1/2
3/4
1"
1.1/4
1.1/2
2"
2.1/2
3"		 27
27
18
18
14
14
11.1/2
11.1/2
11.1/2
11.1/2
8
8		 6.3
8.5
11.2
14.5
18.0
23.0
29.0
38.0
44.0
56.0
67.0
83.0
UNF-Rosca Unificada Fina

D x passo
mm

 Diâmetro do núcleo (mm) Diâmetro da broca (mm)
máximo minimo

N5(1/8)-44
N6(6/64)-40
N8(5/32)-36
N10(3/16)-32
N12(7/32)-28
1/4-28
5/16-24
3/8-24
7/16-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
1"-12
1. 1/8-12
1.1/4-12
1.3/8-12
1.1/2-12

 2.741
3.022
3.606
4.166
4.724
5.588
7.036
8.636
10.033
11.607
13.081
14.681
17.678
20.675
23.571
26.746
29.921
33.096
36.271		 2.646
2.921
3.505
4.064
4.623
5.486
6.908
8.510
9.880
11.480
12.930
14.530
17.500
20.472
23.342
26.692
29.517
32.687
36.042		 2.7
3.0
3.5
4.1
4.7
5.5
6.9
8.5
9.9
11.5
12.9
14.5
17.5
20.5
23.25
26.5
29.5
32.75
36.0
UNC - Rosca Unificada Grossa
D (pol)
fios / pol		 Diâmetro do núcleo (mm) Diâmetro da broca (mm)
máximo minimo

N5(1/8)-40
N6(9/64)-32
N8(5/32)-32
N10(3/16)-24
N12(7/32)-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-13
9/16-12
5/8-11
3/4-10
7/8-9
1"-8
1.1/8-7
1.1/4-7
1.3/8-6
1.1/2-6
1.3/4-5
2"-4.1/2
2.1/4-4.1/2
2.1/2-4
2.3/4-4
3"-4

2.697
2.895
3.530
3.962
4.597
5.257
6.731
8.153
9.550
10.871
12.446
13.868
16.840
19.761
22.606
25.350
28.524
31.115
34.300
39.827
45.593
51.943
57.581
63.931
70.281

2.593
2.768
3.403
3.810
4.470
5.130
6.578
7.975
9.347
10.515
12.090
13.614
16.840
19.761
22.606
25.350
28.524
31.115
34.300
39.827
45.136
51.485
57.099
63.450
69.800

2.6
2.85
3.5
3.9
4.5
5.2
6.6
8.0
9.4
10.8
12.2
13.5
16.5
19.5
22.25
25.0
28.25
30.75
34.0
39.5
45.0
51.5
57.25
63.5
70.00
BSP-Rosca Whitworth
Paralela p/ Tubos

D(pol)
fios/pol

 Diâmetro do núcleo (mm) Diâmetro da broca (mm)
máximo minimo

1/8-28
1/4-19
3/8-19
1/2-14
5/8-14
3/4-14
7/8-14
1"-11
1.1/8-11
1.1/4-11
1.3/8-11
1.1/2-11
1.3/4-11
2"-11
2.1/2-11
2.3/4-11
3"-11

 8.848
11.890
15.395
19.172
21.128
24.658
28.418
30.931
35.579
39.592
42.005
45.485
51.428
57.296
72.866
79.216
85.566		 8.673
11.633
15.138
18.823
20.779
24.310
28.069
30.487
35.135
39148
41.561
45.041
50.984
56.852
72.422
78.772
85.122		 8.7
11.75
15.25
19.0
20.0
24.5
28.2
30.5
35.4
39.5
41.8
45.2
51.2
57.0
72.7
79.0
85.3

 

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