|
► Thread Type and Material Size(BSW & BA)
BSW MACHINE SCREW 2A (55˙)
韦 氏 牙 规 格
|
BA MACHINE SCREW (47.5˙)
BA 规格
|
SIZE
规格
|
T
牙数
|
外径(D) 辗造径
|
SIZE
规格
|
P
牙距
|
外径(D) 辗造径
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
1/8
|
40
|
3.145
|
3.030
|
2.70
|
2.68
|
0BA
|
1.0
|
5.97
|
5.78
|
5.34
|
5.31
|
5/32
|
32
|
3.945
|
3.795
|
3.39
|
3.37
|
1BA
|
0.9
|
5.27
|
5.10
|
4.71
|
4.68
|
3/16
|
24
|
4.732
|
4.592
|
4.00
|
3.97
|
2BA
|
0.81
|
4.67
|
4.52
|
4.18
|
4.15
|
1/4
|
20
|
6.320
|
6.165
|
5.45
|
5.42
|
3BA
|
0.73
|
4.07
|
3.94
|
3.63
|
3.60
|
5/16
|
18
|
7.905
|
7.737
|
6.92
|
6.88
|
4BA
|
0.66
|
3.57
|
3.45
|
3.18
|
3.15
|
3/8
|
16
|
9.490
|
9.312
|
8.39
|
8.35
|
5BA
|
0.59
|
3.17
|
3.05
|
2.82
|
2.80
|
7/16
|
14
|
11.074
|
10.883
|
9.83
|
9.78
|
6BA
|
0.53
|
2.77
|
2.67
|
2.47
|
2.44
|
1/2
|
12
|
12.662
|
12.456
|
11.22
|
11.17
|
7BA
|
0.48
|
2.47
|
2.38
|
2.20
|
2.18
|
9/16
|
12
|
14.247
|
14.039
|
12.82
|
12.77
|
8BA
|
0.43
|
2.17
|
2.09
|
1.94
|
1.91
|
5/8
|
11
|
15.832
|
15.614
|
14.30
|
14.25
|
|
3/4
|
10
|
19.004
|
18.770
|
17.30
|
17.25
|
7/8
|
9
|
22.225
|
21.798
|
20.32
|
20.27
|
1"
|
8
|
25.400
|
25.130
|
23.27
|
23.21
|
|
|
►Thread Type and Material Size(MMC & MMF)
机 械 螺 丝 螺 纹 成 型 规 格 表
MACHINE SCREWS THREAD TYPE SIZE
|
M/M MACHINE SCREW 2A (60˙)
|
M/M MACHINE SCREW 2A (60˙)
|
SIZE
规 格
|
P
牙 距
|
外径(D) 辗造径
|
SIZE
规格
|
P
牙距
|
外径(D) 辗造径
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
M4
|
0.5
|
3.97
|
3.86
|
3.62
|
3.58
|
M2
|
0.4
|
1.98
|
1.89
|
1.72
|
1.69
|
M4.5
|
0.5
|
4.47
|
4.36
|
4.12
|
4.08
|
M2.3
|
0.4
|
2.28
|
2.19
|
2.02
|
1.99
|
M5
|
0.5
|
4.97
|
4.86
|
4.62
|
4.58
|
M2.5
|
0.45
|
2.48
|
2.38
|
2.18
|
2.15
|
M6
|
0.75
|
5.97
|
5.85
|
5.45
|
5.41
|
M2.6
|
0.45
|
2.58
|
2.48
|
2.28
|
2.25
|
M7
|
0.75
|
6.97
|
6.85
|
6.45
|
6.41
|
M3
|
0.5
|
2.98
|
2.88
|
2.64
|
2.61
|
M8
|
1.0
|
7.97
|
7.83
|
7.29
|
7.24
|
M3.5
|
0.6
|
3.47
|
3.36
|
3.06
|
3.03
|
M9
|
1.0
|
8.97
|
8.83
|
8.29
|
8.24
|
M4
|
0.7
|
3.98
|
3.84
|
3.49
|
3.45
|
M10
|
1.25
|
9.96
|
9.81
|
9.12
|
9.07
|
M4.5
|
0.75
|
4.47
|
4.34
|
3.96
|
3.92
|
M10
|
1.0
|
9.97
|
9.82
|
9.28
|
9.23
|
M5
|
0.8
|
4.98
|
4.83
|
4.43
|
4.38
|
M12
|
1.25
|
11.97
|
11.76
|
11.12
|
11.07
|
M6
|
1.0
|
5.97
|
5.82
|
5.30
|
5.25
|
M12
|
1.5
|
11.96
|
11.79
|
10.95
|
10.89
|
M7
|
1.0
|
6.97
|
6.82
|
6.30
|
6.25
|
M14
|
1.5
|
13.96
|
13.79
|
12.95
|
12.89
|
M8
|
1.25
|
7.96
|
7.79
|
7.12
|
7.07
|
M16
|
1.5
|
15.96
|
15.79
|
14.95
|
14.89
|
M9
|
1.25
|
8.96
|
8.79
|
7.12
|
8.07
|
M18
|
2.0
|
17.95
|
17.65
|
16.62
|
16.54
|
M10
|
1.5
|
9.96
|
9.77
|
8.97
|
8.91
|
M18
|
1.5
|
17.95
|
17.78
|
16.93
|
16.86
|
M11
|
1.5
|
10.97
|
10.73
|
9.97
|
9.91
|
M20
|
2.0
|
19.95
|
19.65
|
18.62
|
18.54
|
M12
|
1.75
|
11.95
|
11.76
|
10.79
|
10.73
|
M20
|
1.5
|
19.95
|
19.78
|
18.92
|
18.85
|
M14
|
2.0
|
13.95
|
13.74
|
12.63
|
12.56
|
M22
|
1.5
|
21.95
|
21.78
|
20.92
|
20.85
|
M16
|
2.0
|
15.95
|
15.74
|
14.63
|
14.56
|
M24
|
1.5
|
23.95
|
23.78
|
22.92
|
22.85
|
M18
|
2.5
|
17.95
|
17.71
|
16.31
|
16.23
|
M26
|
1.5
|
25.95
|
25.78
|
24.93
|
24.85
|
M20
|
2.5
|
19.95
|
19.71
|
18.31
|
18.23
|
M27
|
1.5
|
26.95
|
26.78
|
25.93
|
25.85
|
M22
|
2.5
|
21.95
|
21.71
|
20.31
|
20.23
|
M28
|
1.5
|
27.95
|
27.78
|
26.93
|
26.85
|
M24
|
3.0
|
23.94
|
23.68
|
21.98
|
21.90
|
M30
|
1.5
|
29.95
|
29.78
|
28.93
|
28.85
|
M27
|
3.0
|
26.94
|
26.68
|
24.98
|
24.89
|
|
M30
|
3.5
|
29.94
|
29.66
|
27.66
|
27.56
|
M33
|
3.5
|
32.94
|
32.66
|
30.65
|
30.56
|
|
|
►Thread Type and Material Size(SM)
SM MACHINE SCREW 2A(60˙)
SM 针车用规格
|
SIZE
规格
|
T
牙数
|
外径(D)
|
辗造径
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
5/64
|
64
|
1.984
|
1.904
|
1.71
|
1.69
|
3/32
|
56
|
2.381
|
2.306
|
2.07
|
2.04
|
1/8
|
48
|
3.175
|
3.065
|
2.81
|
2.78
|
1/8
|
44
|
3.175
|
3.055
|
2.78
|
2.75
|
1/8
|
40
|
3.175
|
3.045
|
2.74
|
2.71
|
9/64
|
40
|
3.572
|
3.442
|
3.13
|
3.10
|
11/64
|
40
|
4.366
|
4.236
|
3.92
|
3.89
|
11/64
|
32
|
4.366
|
4.206
|
3.82
|
3.79
|
3/16
|
40
|
4.762
|
4.632
|
4.32
|
4.29
|
3/16
|
32
|
4.762
|
4.602
|
4.22
|
4.19
|
3/16
|
28
|
4.762
|
4.602
|
4.14
|
4.11
|
3/16
|
24
|
4.762
|
4.602
|
4.04
|
4.01
|
13/64
|
32
|
5.159
|
4.999
|
4.60
|
4.57
|
7/32
|
32
|
5.556
|
5.396
|
5.01
|
4.98
|
15/64
|
28
|
6.953
|
5.773
|
5.32
|
5.29
|
1/4
|
40
|
6.350
|
6.220
|
5.90
|
5.87
|
1/4
|
28
|
6.350
|
6.170
|
5.72
|
5.69
|
1/4
|
24
|
6.350
|
6.170
|
5.62
|
5.59
|
9/32
|
28
|
7.144
|
6.954
|
6.51
|
6.48
|
9/32
|
20
|
7.144
|
6.954
|
6.28
|
6.25
|
5/16
|
24
|
7.938
|
7.748
|
7.21
|
7.18
|
5/16
|
18
|
7.938
|
7.748
|
6.98
|
6.94
|
|
|
►Thread Type and Material Size(UNC & UNF)
机 械 螺 丝 螺 纹 成 型 规 格 表
MACHINE SCREWS THREAD TYPE SIZE
|
UNC MACHINE SCREW 2A Q (60˙)
|
UNF MACHINE SCREW 2A Q (60˙)
|
SIZE
规格
|
T
牙数
|
外径(D)
|
辗造径
|
SIZE
规格
|
T
牙数
|
外径(D)
|
辗造径
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
最大
(MAX)
|
最小
(MIN)
|
NO:1
|
64
|
1.838
|
1.743
|
1.58
|
1.56
|
NO:2
|
64
|
2.169
|
2.073
|
1.91
|
1.89
|
NO:2
|
56
|
2.169
|
2.066
|
1.87
|
1.85
|
NO:3
|
56
|
2.496
|
2.393
|
2.20
|
2.17
|
NO:3
|
48
|
2.496
|
2.383
|
2.14
|
2.11
|
NO:4
|
48
|
2.827
|
2.713
|
2.47
|
2.44
|
NO:4
|
40
|
2.824
|
2.695
|
2.40
|
2.37
|
NO:5
|
44
|
3.157
|
3.036
|
2.76
|
2.73
|
NO:5
|
40
|
3.154
|
3.026
|
2.72
|
2.69
|
NO:6
|
40
|
3.484
|
3.356
|
3.05
|
3.02
|
NO:6
|
32
|
3.484
|
3.333
|
2.94
|
2.91
|
NO:8
|
36
|
4.145
|
4.006
|
3.66
|
3.63
|
NO:8
|
32
|
4.142
|
3.991
|
3.60
|
3.57
|
NO:10
|
32
|
4.803
|
4.651
|
4.26
|
4.23
|
NO:10
|
24
|
4.800
|
4.618
|
4.09
|
4.05
|
NO:12
|
28
|
5.461
|
5.296
|
4.85
|
4.81
|
NO:12
|
24
|
5.461
|
5.279
|
4.75
|
4.70
|
1/4
|
28
|
6.324
|
6.160
|
5.72
|
5.68
|
1/4
|
20
|
6.322
|
6.117
|
5.50
|
5.45
|
5/16
|
24
|
7.909
|
7.727
|
7.20
|
7.16
|
5/16
|
18
|
7.907
|
7.687
|
6.98
|
6.93
|
3/8
|
24
|
9.497
|
9.315
|
8.76
|
8.74
|
3/8
|
16
|
9.491
|
9.254
|
8.45
|
8.40
|
7/16
|
20
|
11.079
|
10.874
|
10.23
|
10.18
|
7/16
|
14
|
11.076
|
10.816
|
9.89
|
9.83
|
1/2
|
20
|
12.666
|
12.462
|
11.82
|
11.76
|
1/2
|
13
|
12.661
|
12.386
|
11.39
|
11.32
|
9/16
|
18
|
14.251
|
14.031
|
13.31
|
13.25
|
9/16
|
12
|
14.246
|
13.958
|
12.87
|
12.80
|
5/8
|
18
|
15.839
|
15.619
|
14.89
|
14.83
|
5/8
|
11
|
15.834
|
15.528
|
14.33
|
14.26
|
3/4
|
16
|
19.011
|
18.774
|
17.95
|
17.89
|
3/4
|
10
|
19.004
|
18.677
|
17.34
|
17.27
|
7/8
|
14
|
22.184
|
21.923
|
20.98
|
20.91
|
7/8
|
9
|
22.176
|
21.824
|
20.34
|
20.26
|
1"
|
12
|
25.254
|
25.065
|
23.95
|
23.87
|
1"
|
8
|
25.349
|
24.969
|
23.28
|
23.20
|
11/8
|
12
|
28.529
|
28.240
|
27.12
|
27.05
|
11/8
|
7
|
28.519
|
28.103
|
26.16
|
26.07
|
|
|