螺纹加工技术资料
Drill Size(mm)
M2x0.4
1.83
1.84
---
M2.2x0.45
2.00
2.01
M2.3x0.4
2.13
2.14
M2.5x0.45
2.30
2.31
M2.6x0.45
2.40
2.41
M3x0.5
2.77
2.78
2.79
2.81
M3x0.35
2.85
2.87
2.88
2.89
M3.5x0.6
3.23
3.24
3.25
M4x0.7
3.67
3.68
3.70
M4x0.5
3.78
3.79
3.81
M5x0.8
4.61
4.63
4.64
M5x0.5
4.78
4.79
4.81
M6x1
5.50
5.51
5.53
M6x0.75
5.64
5.65
5.67
M6x0.5
5.78
5.79
5.81
M7x1
6.50
6.51
6.53
M8x1.25
7.37
7.39
7.40
M8x1
7.51
7.53
7.54
M10x1.5
9.23
9.24
9.26
9.27
M10x1.25
9.37
9.39
9.40
9.41
M10x1
9.51
9.53
9.54
9.55
M12x1.75
11.10
11.12
11.13
11.14
M12x1.5
11.24
11.26
11.27
11.28
M12x1.25
11.39
11.40
11.41
11.42
M12x1
11.53
11.54
11.55
11.56
M14x2
12.98
12.99
13.00
13.01
M14x1.5
13.26
13.27
13.28
13.30
M14x1
13.54
13.55
13.56
13.58
M16x2
14.98
14.99
15.00
15.01
M16x1.5
14.26
15.27
15.28
15.30
M16x1
15.54
15.55
15.56
15.58
M18x2.5
16.71
16.72
16.73
M18x1.5
17.27
17.28
17.30
M20x2.5
18.72
18.73
M20x1.5
19.28
19.30
#2-56UNC
1.99
#4-40UNC
2.55
2.56
2.58
#5-40UNC
2.91
#6-32UNC
3.12
3.13
3.15
3.16
#8-32UNC
3.80
3.82
#10-24UNC
4.32
4.33
4.34
#12-24UNC
4.98
4.99
5.01
1/4-20UNC
5.72
5.74
5.75
PT丝锥
PS丝锥
Thread Size
D1(mm)
Max.
Min.
PS1/16-28
6.632
6.490
PS3/4-14
24.00
24.259
23.975
PS1/8-28
8.50
8.637
8.495
PS1-11
30.20
30.471
30.111
PS1/4-19
11.549
11.341
PS1*1/4-11
38.80
39.132
38.772
PS3/8-19
15.054
14.846
PS1/1/2-11
44.80
45.025
44.665
PS1/2-14
18.50
18.773
18.489
PS2-11
56.50
56.836
56.476
PF丝锥
PF1/16-28
6.70
6.843
6.561
PF3/4-14
24.50
24.658
24.117
PF1/8-28
8.70
8.848
8.566
PF1-11
30.50
30.931
30.291
PF1/4-19
11.70
11.890
11.445
PF1*1/4-11
39.20
39.592
38.952
PF3/8-19
15.20
15.395
14.950
PF1/1/2-11
45.00
45.485
44.845
PF1/2-14
19.00
19.172
18.631
PF2-11
57.00
57.296
56.656
NPF丝锥
With Reaming Before Tapping
Without Reaming Before Tapping
mm
inch
NPT1/16-27
5.94
0.234
6.15
0.242
NPT1/8-27
8.33
0.328
8.43
0.332
NPT1/4-18
10.72
0.422
0.438
NPT3/8-18
14.27
0.562
NPT1/2-14
17.48
0.688
17.86
0.703
NPT3/4-14
22.63
0.891
23.01
0.906
NPT1-11*1/2
28.58
1.125
28.98
1.141
NPT1*1/4-11*1/2
37.31
1.469
37.69
1.484
NPT1*1/2-11*/2
43.26
1.703
43.66
1.719
NPT2-11*1/2
55.17
2.172
55.58
2.188
NPT2/1/2-8
65.48
2.578
66.27
2.609
NPTF丝锥
NPT1*1/2-11*1/2
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