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Description
Dimensions
Specifications
Parts List
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These Stainless Steel Screwjack Actuators are specifically designed for harsh environments, in standard and special configurations for loads up to 100 tons.
They incorporate all of the same features as a standard machine screw actuator, but can be used in severe environments where other materials are inadequate.
All of the exposed surfaces are made of 316 stainless steel including the lifting screw, housing, shell cap, worm and dust guard.
Corrosion resistant.
Stainless Steel hardware.
Sealed gear cavity to keep contaminants out.
Anti-backlash and Metric machine screw actuators are also available.
Stainless Steel Machine Screw Actuator Dimensions
17 - 4 PH Worm Cap.(Tons)
316 SS Worm Capacity (tons)
A
B
C
D
E+/-.005
F
G
H
J+.000/-.002
K
L
M
N
Sustaining
Operating
2 (1800 series)
2
.67
5.50
4.56
Travel
.50
1.750
1.66
4.25
.50
.500
3.00
6.00
1.00
2.00
2 (9000 series)
2
.67
5.50
4.56
Travel
.50
1.750
1.66
4.25
.50
.500
1.56
3.13
1.93
5.25
5
5
1.66
7.50
5.88
Travel
.50
2.250
2.38
4.50
.60
.749
2.25
4.50
2.25
6.50
10
10
3.33
7.75
5.62
Travel +3/8
.50
2.250
2.88
5.75
.94
1.000
2.88
5.75
2.00
7.00
15
15
5.00
8.00
6.31
Travel + 9/16
.63
2.750
2.88
5.75
.94
1.000
3.00
6.00
2.50
7.50
20
20
6.66
10.25
7.13
Travel + 1/2
.75
3.250
3.50
5.75
.94
1.000
3.00
6.00
3.00
8.75
25
25
8.33
11.75
9.75
Travel + 1/4
1.00
4.000
4.50
8.50
.94
1.375
3.75
7.50
3.75
11.00
35
35
11.66
12.50
9.56
Travel + 1/4
1.25
4.000
4.50
10.50
1.31
1.375
3.75
7.50
4.50
12.50
50 (1800 series)
50
16.66
13.50
11.38
Travel + 5/8
1.25
4.750
5.63
11.25
1.25
1.500
8.00
16.00
3.00
6.00
100
100
33.33
24.00
18.50
Travel + 1/2
1.50
6.000
7.00
14.00
2.94
1.750
10.00
20.00
5.75
16.26
P
Q
R
S
T
U
V
W
X
Y
Z
a
b
Keyseat
Lifting Screw (dia./Pitch)
3.50
7.00
1.75
3.50
3.50
7.00
1.12
1.702 +.003/-.000
.41
3.00
.41
.75
.5
.125 x .060 x 1.00 LG.
1.00 x .250
2.06
4.13
2.42
6.25
3.50
7.00
1.12
1.702 +.003/-.000
.41
3.00
.41
.88
.38
.125 x .060 x 1.00 LG.
1.00 x .250
3.00
6.00
3.00
8.00
4.50
9.00
1.50
2.188 +.002/-.000
.69
3.00
.69
1.19
.75
.188 x .094 x 1.25 LG.
1.50 x .375
3.75
7.50
2.88
8.75
5.50
11.00
1.80
2.598 +.003/-.000
.81
4.13
.81
1.31
.88
.250 x .125 x 1.50 LG.
2.00 x .500
3.88
7.75
3.38
9.25
5.50
11.00
1.80
2.598 +.003/-.000
.81
4.13
.81
1.38
.88
.250 x .125 x 1.50 LG.
2.25 x .500
4.13
8.25
4.13
11.00
5.50
11.00
1.50
2.598 +.003/-.000
.81
4.13
1.12
1.75
1.13
.250 x .125 x 1.50 LG.
2.50 x .500
5.13
10.25
5.13
13.75
7.00
14.00
2.30
3.750 +.006/-.000
1.06
6.00
1.38
2.13
1.38
.313 x .156 x 2.00 LG.
3.00 x .666
5.13
10.25
6.00
15.50
7.00
14.00
2.10
3.750 +.006/-.000
1.62
7.75
1.62
2.63
1.38
.313 x .156 x 2.00 LG.
3.75 x .666
9.88
19.75
4.88
9.75
11.00
22.00
4.40
5.313 +.003/-.000
1.38
8.75
1.88
3.25
1.88
.375 x .188 x 2.25 LG.
4.50 x .666
12.25
24.50
8.00
20.75
11.50
23.00
3.40
7.500 +.003/-.000
1.88
11.00
1.88
3.50
2.25
.500 x .250 x 3.00 LG.
6.00 x .750
1
Capacity
A**
B**
C
D
E
F**
G**
H
J
2 Ton SMS
5 1/4
1 3/4
3/4
13/32
3/4
6
2 1/2
1 1/8
3/4"-10UNC-2A
5 Ton SMS
7
2 1/2
1
21/32
1
8
2 1/2
1 1/8
1"-8UNC-2A
10 Ton SMS
7 1/2
3
1 1/4
25/32
1 1/4
9 1/4
4 1/4
1 5/8
1 1/2"-6UNC-2A
15 Ton SMS
8 1/2
3
1 1/4
29/32
1 1/2
10 1/4
4 1/4
2
1 3/4"-5UNC-2A
20 Ton SMS
10
3 1/2
1 1/2
1 1/32
1 3/4
12 1/2
5
2 1/4
2"-4 1/2UNC-2A
25 Ton SMS
12
4
1 3/4
1 9/32
2 1/4
14 1/2
5 3/4
3 1/4
2 1/2"4-UNC-2A
35 Ton SMS
13
5
2
1 17/32
2 1/2
15 1/2
7
3 3/4
3 1/4"-4UNC-2A
50 Ton SMS
15
5 1/2
2 1/2
1 21/32
3 1/4
18
8
4 1/4
4"4UNC-2A
100 Ton SMS
24
9
3
2 17/32
4 1/4
25
12
5
1 1/2"-12UNC-2A
Capacity
M
N**
P**
R
S
T
U
V
2 Ton SMS
1
5 1/4
1 3/4
4 1/4
7/16
4
13/32
3
5 Ton SMS
1 1/2
7 1/2
2 1/2
4 1/2
5/8
4
11/16
3
10 Ton SMS
2
7 3/4
2 3/4
5 3/4
15/16
4
13/16
4 1/8
15 Ton SMS
2 1/4
8 1/2
2 3/4
5 3/4
15/16
4
13/16
4 1/8
20 Ton SMS
2 1/2
10 1/4
3
5 3/4
15/16
4
13/16
4 1/8
25 Ton SMS
3
11 3/4
3
8 1/2
15/16
4
1 1/16
6
35 Ton SMS
3 3/4
12 1/2
4
10 1/2
1 5/16
4
1 5/8
7 3/4
50 Ton SMS
4 1/2
13 1/2
3 1/2
11 1/4
1 1/4
4
1 3/8
8 3/4
100 Ton SMS
6
24
12
14
2 15/16
6
1 7/8
11
Stainless Steel Actuator Performance Specifications
Capacity (tons) - 17-4PH Worm
2
5
10
15
20
25
35
50
100
Capacity (tons) - 316 SS Worm
0.67
1.66
3.33
5.00
6.66
8.33
11.66
16.66
33.33
Lifting Screw
Diameter (in)
1
1 1/2
2
2 1/4
2 1/2
3
3 3/4
4 1/2
6
Pitch (in)
0.250
0.375
0.500
0.500
0.500
0.666
0.666
0.666
0.750
Type
ACME
ACME
ACME
ACME
ACME
ACME
ACME
Mod.Sq.
Mod.Sq.
Worm Gear Ratios
Standard
6:1
6:1
8:1
8:1
8:1
10 2/3:1
10 2/3:1
10 2/3:1
12:1
Optional Number 1
24:1
24:1
24:1
24:1
24:1
32:1
32:1
32:1
36:1
Optional Number 2
12:1
12:1
-
-
-
-
-
-
-
Turns of Worm for 1" Raise
Standard
24
16
16
16
16
16
16
16
16
Optional Number 1
96
64
48
48
48
48
48
48
48
Optional Number 2
48
32
-
-
-
-
-
-
-
Worm Torque at No Load (in-lb)
Standard
5
10
20
20
30
40
50
100
200
Optional Number 1
5
10
20
20
30
40
50
100
200
Optional Number 2
5
10
-
-
-
-
-
-
-
Maximum Horsepower per Actuator
Standard
2
4
5
5
5
8
8
15
25
Optional Number 1
1/2
3/4
1 1/2
1 1/2
1 1/2
2 1/2
2 1/2
6
11
Optional Number 2
3/4
2
-
-
-
-
-
-
-
Worm Torque at Full Load (in-lb) 17-4PH Worm
Standard
120
450
750
1430
2050
2700
4000
7500
16000
Optional Number 1
50
185
400
820
1170
1700
2400
4200
8600
Optional Number 2
75
275
-
-
-
-
-
-
-
Worm Torque at Full Load (in-lb) 316SS Worm
Standard
43
156
263
490
703
926
1366
2566
5466
Optional Number 1
20
68
147
287
410
593
833
1466
3000
Optional Number 2
28
98
-
-
-
-
-
-
-
Efficiency Rating (%)
Standard
20.4
21.2
25.2
20.3
18.9
17.9
17.0
12.9
12.1
Optional Number 1
11.1
12.1
15.1
11.6
10.8
9.3
9.3
7.5
7.4
Optional Number 2
15.6
16.8
-
-
-
-
-
-
-
Weight with 6" Raise (lb)
17
35
52
66
93
160
240
410
1200
Weight per Additional 1" Raise (lb)
0.3
0.9
1.4
1.5
2.6
2.5
3.7
5.5
9.0
Key Torque (in-lb)
153
581
1565
2527
3538
4665
8828
15697
39396
Max Worm Speed at Full Load (rpm)
Standard
1750
1615
1198
643
449
544
369
368
288
Optional Number 1
1576
694
645
330
231
266
189
258
231
Optional Number 2
1669
1286
-
-
-
-
-
-
-
Max Load at Full Horsepower and 1750 rpm (lb)
Standard
1333
3047
4386
3406
2972
4664
4220
5949
8865
Optional Number 1
1156
972
1791
1276
843
1507
1192
2831
4671
Optional Number 2
1258
2339
-
-
-
-
-
-
-
Contact Us About This Product
If you wish to receive a quote for this product, please use the 'Pricing' tab, this form is for general enquiries regarding this product only.
Regarding: Stainless Steel Machine Screwjack Actuator, 2t to 100t
Did you know?
You can also request a quote through the pricing tab!
You can easily add more than one item to the Quote Request. This is highly recommended as we will be able to suit your needs much more efficiently.
Share this page!
These Stainless Steel Screwjack Actuators are specifically designed for harsh environments, in standard and special configurations for loads up to 100 tons.
They incorporate all of the same features as a standard machine screw actuator, but can be used in severe environments where other materials are inadequate.
All of the exposed surfaces are made of 316 stainless steel including the lifting screw, housing, shell cap, worm and dust guard.
Corrosion resistant.
Stainless Steel hardware.
Sealed gear cavity to keep contaminants out.
Anti-backlash and Metric machine screw actuators are also available.
Contact Us About This Product
If you wish to receive a quote for this product, please use the 'Pricing' tab, this form is for general enquiries regarding this product only.
Regarding: Stainless Steel Machine Screwjack Actuator, 2t to 100t
Did you know?
You can also request a quote through the pricing tab!
You can easily add more than one item to the Quote Request. This is highly recommended as we will be able to suit your needs much more efficiently.
Share this page!
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