All Lead Screws & Nuts

Engineering Data | Acme | Hi-Lead® | Torqspline®
All Lead Screws & Nuts

A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
B
Major Diameter
(in.)
C
Lead
(in./rev.)
D
Product
Line
E
Static
Load Rating
(Bronze Nut)
(lbs.)
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
H
Minor
Diameter
(in.)
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
J
Forward
Drive
Efficiency
K
Screw
Weight
(lbs./ft.)
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
3/16 - 20
.188
.050
Acme
500
75
38
.110
.021
39%
.07
RH, LH
1/4 - 20
.250
.050
Acme
1,000
300
150
.175
.025
32%
.13
RH, LH
1/4 - 16
.250
.063
Acme
1,000
300
150
.161
.027
37%
.11
RH, LH
3/8 - 20
.375
.050
Acme
2,250
700
350
.298
.035
23%
.31
3/8 - 16
.375
.063
Acme
2,250
700
350
.285
.037
27%
.30
RH, LH
3/8 - 12
.375
.083
Acme
2,250
700
350
.263
.039
34%
.29
RH, LH
3/8 - 10
.375
.100
Acme
2,250
700
350
.235
.041
39%
.27
RH, LH
3/8 - 8 STUB
.375
.125
Acme
1,200
400
200
.265
.047
42%
.28
RH, LH
1/2 - 10
.500
.100
Acme
4,000
1,250
625
.359
.051
31%
.52
RH, LH
1/2 - 8
.500
.125
Acme
4,000
1,250
625
.332
.054
37%
.49
RH, LH
5/8 - 10
.625
.100
Acme
6,250
1,900
950
.483
.061
26%
.85
RH, LH
5/8 - 8
.625
.125
Acme
6,250
1,900
950
.457
.064
31%
.82
RH, LH
5/8 - 7
.625
.143
Acme
6,250
1,900
950
.332
.066
34%
.82
RH, LH
3/4 - 16
.750
.063
Acme
9,000
2,800
1,400
.658
.065
15%
1.34
RH, LH
3/4 - 10
.750
.100
Acme
9,000
2,800
1,400
.608
.070
23%
1.26
RH, LH
3/4 - 8
A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
.750
B
Major Diameter
(in.)
.125
C
Lead
(in./rev.)
Acme
D
Product
Line
9,000
E
Static
Load Rating
(Bronze Nut)
(lbs.)
2,800
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
1,400
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
.581
H
Minor
Diameter
(in.)
.073
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
27%
J
Forward
Drive
Efficiency
1.22
K
Screw
Weight
(lbs./ft.)
RH, LH
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
3/4 - 7
.750
.143
Acme
9,000
2,800
1,400
.562
.076
30%
1.18
3/4 - 6
.750
.167
Acme
9,000
2,800
1,400
.537
.079
34%
1.15
RH, LH
3/4 - 5
.750
.200
Acme
9,000
2,800
1,400
.502
.086
38%
1.12
RH, LH
3/4 - 5 STUB
.750
.200
Acme
5,300
1,650
825
.590
.083
37%
1.12
RH, LH
7/8 - 6
.875
.167
Acme
12,250
3,800
1,900
.661
.088
30%
1.63
RH, LH
7/8 - 5
.875
.200
Acme
12,250
3,800
1,900
.626
.093
34%
1.56
RH, LH
1 - 10
1.000
.100
Acme
16,000
5,000
2,500
.856
.089
18%
2.33
RH, LH
1 - 8
1.000
.125
Acme
16,000
5,000
2,500
.830
.093
21%
2.28
RH, LH
1 - 7
1.000
.143
Acme
16,000
5,000
2,500
.811
.095
24%
2.22
RH, LH
1 - 6
1.000
.167
Acme
16,000
5,000
2,500
.786
.098
27%
2.18
RH, LH
1 - 5
1.000
.200
Acme
16,000
5,000
2,500
.750
.102
31%
2.09
RH, LH
1 - 4
1.000
.250
Acme
16,000
5,000
2,500
.698
.109
37%
2.00
RH, LH
1 1/8 - 5
1.125
.200
Acme
20,000
6,200
3,100
.875
.112
29%
2.73
RH, LH
1 1/4 - 16
1.250
.063
Acme
25,000
7,800
3,900
1.155
.104
10%
3.87
1 1/4 - 5
A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
1.250
B
Major Diameter
(in.)
.200
C
Lead
(in./rev.)
Acme
D
Product
Line
25,000
E
Static
Load Rating
(Bronze Nut)
(lbs.)
7,800
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
3,900
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
.999
H
Minor
Diameter
(in.)
.121
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
26%
J
Forward
Drive
Efficiency
3.44
K
Screw
Weight
(lbs./ft.)
RH, LH
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
1 1/4 - 4
1.250
.250
Acme
25,000
7,800
3,900
.947
.128
31%
3.30
RH, LH
1 3/8 - 4
1.375
.250
Acme
30,000
9,300
4,650
1.071
.137
29%
4.03
RH, LH
1 1/2 - 10
1.500
.100
Acme
36,000
11,300
5,650
1.350
.128
12%
5.50
RH, LH
1 1/2 - 5
1.500
.200
Acme
36,000
11,300
5,650
1.245
.141
23%
5.10
RH, LH
1 1/2 - 4
1.500
.250
Acme
36,000
11,300
5,650
1.196
.147
27%
4.88
RH, LH
1 1/2 - 2 2/3 STUB
1.500
.375
Acme
21,000
6,600
3,300
1.195
.168
36%
4.98
1 3/4 - 4
1.750
.250
Acme
50,000
15,300
7,650
1.445
.166
30%
6.89
RH, LH
1 3/4 - 3
1.750
.333
Acme
50,000
15,300
7,650
1.358
.177
21%
6.57
2 - 4
2.000
.250
Acme
65,000
20,000
10,000
1.694
.186
27%
9.22
RH, LH
2 - 3
2.000
.333
Acme
65,000
20,000
10,000
1.608
.196
27%
8.77
2 1/4 - 4
2.250
.250
Acme
80,000
25,000
12,500
1.944
.204
20%
11.76
RH, LH
2 1/2 - 4
2.500
.250
Acme
100,000
31,000
15,500
2.193
.224
18%
14.83
RH, LH
2 1/2 - 3
2.500
.333
Acme
100,000
31,000
15,500
2.106
.234
23%
14.23
2 1/2 - 2
2.500
.500
Acme
100,000
31,000
15,500
1.930
.256
31%
13.25
RH, LH
3 - 4
A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
3.000
B
Major Diameter
(in.)
.250
C
Lead
(in./rev.)
Acme
D
Product
Line
150,000
E
Static
Load Rating
(Bronze Nut)
(lbs.)
46,000
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
23,000
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
2.691
H
Minor
Diameter
(in.)
.263
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
15%
J
Forward
Drive
Efficiency
21.80
K
Screw
Weight
(lbs./ft.)
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
3 - 3
3.000
.333
Acme
150,000
46,000
23,000
2.605
.273
19%
21.05
3 - 2
3.000
.500
Acme
150,000
46,000
23,000
2.456
.294
27%
19.87
RH, LH
3 1/2 - 2
3.500
.500
Acme
200,000
63,000
31,000
2.930
.332
24%
27.71
1/4 X .100
.250
.100
Hi-Lead
950
300
150
.175
.034
47%
.12
RH, LH
1/4 X .250
.250
.250
Hi-Lead
950
300
150
.189
.060
66%
.13
3/8 X .167
.375
.167
Hi-Lead
2,250
700
350
.263
.053
50%
.29
RH, LH
3/8 X .200
.375
.200
Hi-Lead
2,250
700
350
.245
.058
55%
.27
3/8 X .250
.375
.250
Hi-Lead
1,200
400
200
.265
.068
58%
.29
RH, LH
3/8 X .375
.375
.375
Hi-Lead
1,200
400
200
.260
.091
66%
.28
1/2 X .333
.485
.333
Hi-Lead
3,500
1,100
550
.295
.089
60%
.43
1/2 X .200
.500
.200
Hi-Lead
4,000
1,250
625
.359
.068
47%
.52
RH, LH
1/2 X .250
.500
.250
Hi-Lead
4,000
1,250
625
.332
.075
53%
.49
RH, LH
1/2 X .333
.500
.333
Hi-Lead
3,500
1,100
550
.295
.089
60%
.43
1/2 X .500
.500
.500
Hi-Lead
4,000
1,250
625
.345
.121
66%
.48
RH, LH
5/8 X .200
A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
.625
B
Major Diameter
(in.)
.200
C
Lead
(in./rev.)
Hi-Lead
D
Product
Line
6,250
E
Static
Load Rating
(Bronze Nut)
(lbs.)
1,900
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
950
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
.483
H
Minor
Diameter
(in.)
.077
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
41%
J
Forward
Drive
Efficiency
.84
K
Screw
Weight
(lbs./ft.)
RH, LH
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
5/8 X .250
.625
.250
Hi-Lead
6,250
1,900
950
.457
.085
47%
.82
RH, LH
11/16 X .500
.688
.500
Hi-Lead
7,000
2,200
1,100
.498
.133
60%
1.22
3/4 X .250
.750
.250
Hi-Lead
9,000
2,800
1,400
.581
.094
42%
1.22
RH, LH
3/4 X .333
.750
.333
Hi-Lead
9,000
2,800
1,400
.537
.107
50%
1.15
RH, LH
3/4 X .500
.750
.500
Hi-Lead
9,000
2,800
1,400
.580
.139
57%
1.22
1 X .250
1.000
.250
Hi-Lead
16,000
5,000
2,500
.825
.113
53%
2.28
RH, LH
1 X .333
1.000
.333
Hi-Lead
16,000
5,000
2,500
.786
.126
42%
2.18
RH, LH
1 X .400
1.000
.400
Hi-Lead
16,000
5,000
2,500
.750
.136
47%
2.09
RH, LH
1 X .500
1.000
.500
Hi-Lead
16,000
5,000
2,500
.690
.151
53%
2.00
RH, LH
1 X 1.000
1.000
1.000
Hi-Lead
16,000
5,000
2,500
.750
.244
65%
2.09
RH, LH
1 1/8 X .333
1.125
.333
Hi-Lead
20,000
6,400
3,200
.910
.135
39%
2.81
1 1/4 X .400
1.250
.400
Hi-Lead
25,000
7,800
3,900
.999
.155
41%
3.44
RH, LH
1 1/2 X .400
1.500
.400
Hi-Lead
36,000
11,300
5,650
1.248
.174
37%
5.12
RH, LH
1 1/2 X .500
1.500
.500
Hi-Lead
36,000
11,300
5,650
1.196
.189
42%
4.89
1 1/2 X .750
A
Thread Size
(dia.-TPI)
or
(dia. x Lead)
1.500
B
Major Diameter
(in.)
.750
C
Lead
(in./rev.)
Hi-Lead
D
Product
Line
36,000
E
Static
Load Rating
(Bronze Nut)
(lbs.)
11,300
F
Operating
Load Rating
(Bronze Nut)
(lbs.)
5,650
G
Operating
Load Rating
(Plastic Nut)
(lbs.)
1.196
H
Minor
Diameter
(in.)
.235
I
Drive
Torque
Ratio
(in.-lbs./lbs.)
51%
J
Forward
Drive
Efficiency
4.94
K
Screw
Weight
(lbs./ft.)
$
Prices & Products
RH (Right Hand)
LH (Left Hand)
2 X .500
2.000
.500
Hi-Lead
65,000
20,000
10,000
1.698
.227
35%
9.24
RH, LH
2 X .666
2.000
.666
Hi-Lead
65,000
20,000
10,000
1.608
.252
42%
8.78
2 X 1.000
2.000
1.000
Hi-Lead
65,000
19,000
9,600
1.640
.313
51%
8.74
RH, LH
1/4 X .333
.250
.333
Torqspline
NA
NA
150
.190
.077
69%
.13
RH, LH
3/8 X .500
.375
.500
Torqspline
NA
NA
250
.265
.115
69%
.29
3/8 X 1.000
.375
1.000
Torqspline
NA
NA
250
.250
.225
71%
.27
7/16 X 1.000
.438
1.000
Torqspline
NA
NA
260
.327
.221
72%
.40
3/4 X 1.000
.750
1.000
Torqspline
NA
NA
400
.619
.232
68%
1.24
3/4 X 1.500
.750
1.500
Torqspline
NA
NA
400
.528
.331
72%
1.16
1 X 2.000
1.000
2.000
Torqspline
NA
NA
625
.750
.442
72%
2.07
1 3/16 X 1.200
1.188
1.200
Torqspline
20,000
1,800
900
.925
.293
65%
3.01
1 7/16 X 3.000
1.438
3.000
Torqspline
NA
NA
1,400
1.197
.663
72%
4.70
1 7/8 X 4.000
1.875
4.000
Torqspline
NA
NA
2,500
1.643
.884
72%
8.36
2 3/4 X 6.000
2.750
6.000
Torqspline
NA
NA
5,000
2.535
1.326
72%
18.93
Roton Products, Inc.  |  660 East Elliott, Kirkwood, MO 63122  |  Toll Free: 800-GO-ROTON (800-467-6866)
Fax: 314-821-4818  |  Outside US: 314-821-4400  |  sales@roton.com
©1997-2009 Roton Products, Inc. All rights reserved.  |  Lead Time & Inventory Information