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Lead Screws International

2101 Precision Drive

Traverse City, MI 49686 USA

Toll Free: (800) 678-0726

Phone: (231) 947-4124

Fax: (231) 947-3851


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EXTERNAL NUTS / ENGLISH

The chart below represents some of the english external nuts that are available from Lead Screws International. Click Here for a .pdf document with more specifications and drawings.
Screw
Diameter
Lead
Ball
Diameter
Total # of Ckts
Turns
Per Ckt
"A"
"B"
"C"
"D"
"E"
"F"
"G"
"H"
"I"
0.625
0.200
0.125
2
2.5
2.24
0.38
1.93
0.960
0.81
0.79
0.219
1.5
990
0.750
0.200
0.125
2
3.5
2.97
0.44
2.46
1.090
0.99
0.79
0.281
1.78
1481
0.750
0.250
0.125
2
3.5
3.36
0.44
2.45
1.090
0.99
0.79
0.281
1.78
1595
0.750
0.500
0.125
2
2.5
4.44
0.44
2.46
1.090
0.98
0.79
0.281
1.78
1520
0.875
0.200
0.125
2
3.5
2.97
0.44
2.59
1.215
1.12
0.86
0.281
1.90
1641
0.875
0.250
0.125
2
3.5
3.36
0.44
2.59
1.215
1.12
0.86
0.281
1.90
1768
0.875
0.500
0.125
2
2.5
4.44
0.44
2.59
1.215
1.10
0.86
0.281
1.90
1682
1.00
0.200
0.125
2
3.5
3.03
0.50
2.71
1.340
1.23
0.92
0.281
2.03
1794
1.00
0.250
0.156
2
3.5
3.42
0.50
2.75
1.373
1.28
0.97
0.281
2.06
2484
1.00
0.500
0.156
2
2.5
4.50
0.50
2.75
1.373
1.25
0.97
0.281
2.06
2364
1.250
0.200
0.125
2
3.5
3.03
0.50
3.15
1.590
1.36
1.04
0.344
2.37
2081
1.250
0.250
0.156
2
3.5
3.42
0.50
3.19
1.623
1.39
1.09
0.344
2.40
2882
1.250
0.500
0.156
2
2.5
4.50
0.50
3.19
1.623
1.37
1.09
0.344
2.40
2737
1.500
0.200
0.125
2
3.5
3.15
0.62
3.59
1.840
1.55
1.17
0.406
2.72
2350
1.500
0.250
0.156
2
3.5
3.54
0.62
3.62
1.873
1.58
1.22
0.406
2.75
3254
1.500
0.250
0.187
2
3.5
3.54
0.62
3.66
1.906
1.61
1.26
0.406
2.78
3996
1.500
0.500
0.250
2
3.5
5.95
0.62
3.93
2.175
1.73
1.49
0.406
3.05
6997
1.500
0.500
0.281
2
3.5
5.95
0.62
3.96
2.212
1.76
1.54
0.406
3.09
7989
1.750
0.200
0.125
2
3.5
3.28
0.752
3.84
2.090
1.77
1.29
0.406
2.97
2604
1.750
0.250
0.156
2
3.5
3.67
0.75
3.87
2.123
1.80
1.34
0.406
3.00
3606
1.750
0.250
0.187
2
3.5
3.67
0.75
3.91
2.156
1.83
1.39
0.406
3.03
4429
1.750
0.500
0.250
2
3.5
6.08
0.75
4.18
2.425
1.94
1.62
0.406
3.30
7753
1.750
0.500
0.281
2
3.5
6.08
0.75
4.21
2.462
1.97
1.67
0.406
3.34
8853
2.000
0.200
0.125
2
3.5
3.28
0.75
4.09
2.340
1.99
1.42
0.406
3.22
2846
2.000
0.250
0.156
2
3.5
3.67
0.75
4.12
2.373
2.02
1.47
0.406
3.25
3941
2.000
0.250
0.187
2
3.5
3.67
0.75
4.16
2.406
2.05
1.51
0.406
3.28
4840
2.000
0.500
0.250
2
3.5
6.08
0.75
4.43
2.675
2.16
1.74
0.406
3.55
8475
2.000
0.500
0.281
2
3.5
6.08
0.75
4.46
2.712
2.19
1.79
0.406
3.59
9676
2.000
0.500
0.375
2
3.5
6.33
0.75
4.56
2.812
2.30
1.94
0.406
3.69
13422
2.250
0.200
0.125
2
3.5
3.28
0.75
4.71
2.590
2.20
1.54
0.531
3.65
3078
2.250
.250
0.156
2
3.5
3.67
0.75
4.75
2.623
2.23
1.59
0.531
3.69
4263
2.250
0.250
0.187
2
3.5
3.67
0.75
4.78
2.656
2.26
1.64
0.531
3.72
5235
2.250
0.500
0.250
2
3.5
6.08
0.75
5.05
2.925
2.38
1.87
0.531
3.99
9166
2.250
0.500
0.281
2
3.5
6.08
0.75
5.09
2.962
2.41
1.92
0.531
4.02
10465
2.250
0.500
0.375
2
3.5
6.33
0.75
5.19
3.062
2.52
2.06
0.531
4.12
14517
2.500
0.200
0.125
2
3.5
3.28
0.75
4.96
2.840
2.42
1.67
0.531
3.90
3302
2.500
0.250
0.156
2
3.5
3.67
0.75
5.00
2.873
2.45
1.72
0.531
3.94
4573
2.500
0.250
0.187
2
3.5
3.67
0.75
5.03
2.906
2.48
1.76
0.531
3.97
5616
2.500
0.500
0.250
2
3.5
6.21
0.88
5.30
3.175
2.59
1.99
0.531
4.24
9832
2.500
0.500
0.281
2
3.5
6.21
0.88
5.34
3.212
2.62
2.04
0.531
4.27
11226
2.500
0.500
0.375
2
3.5
6.46
0.88
5.44
3.312
2.73
2.19
0.531
4.37
15572
3.000
0.200
0.125
2
3.5
3.41
0.88
5.84
3.340
2.85
1.92
0.656
4.59
3728
3.00
0.250
0.156
2
3.5
3.80
0.88
5.87
3.373
2.88
1.97
0.656
4.62
5163
3.000
0.250
0.187
2
3.5
3.80
0.88
5.91
3.406
2.91
2.01
0.656
4.66
6341
3.000
0.500
0.250
2
3.5
6.21
0.88
6.18
3.675
3.03
2.24
0.656
4.93
11102
3.000
0.500
0.281
2
3.5
6.21
0.88
6.21
3.712
3.06
2.29
0.656
4.96
12676
3.000
0.500
0.375
2
3.5
6.46
0.88
6.31
3.812
3.17
2.44
0.656
5.06
17583
3.500
0.500
0.250
2
3.5
6.58
1.25
6.68
4.175
3.46
2.49
0.656
5.43
12302
3.500
0.500
0.281
2
3.5
6.58
1.25
6.71
4.212
3.49
2.54
0.656
5.46
14046
3.500
0.500
0.375
2
3.5
6.83
1.25
6.81
4.312
3.60
2.69
0.656
5.56
19484
3.500
1.000
0.375
2
3.5
10.67
1.25
6.81
4.312
3.60
2.69
0.656
5.56
24542
4.000
0.500
0.250
2
3.5
6.83
1.50
7.18
4.675
3.89
2.74
0.656
5.93
13446
4.000
0.500
0.281
2
3.5
6.83
1.50
7.21
4.712
3.92
2.79
0.656
5.96
15352
4.000
0.500
0.375
2
3.5
7.08
1.50
7.31
4.812
4.03
2.94
0.656
6.06
21296
5.000
1.000
0.375
2
3.5
10.92
1.50
7.31
4.810
4.03
2.94
0.656
6.06
26825

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