Terms of Use | Privacy
Terms of Delivery
Click a flag to
translate this page.



Accessories > Optional Threaded Porting



Optional Threaded Porting,
Shaft End Potentiometer Shaft Holes,
& Shaft End Tapped Holes

HS Series (Hollow Shaft)
Model Description
National Pipe Thread
BSPP
Potentiometer Shaft Hole
Shaft End Tapped Hole
Size
Threads Per Inch
Size
Thread
HS-1 1/2

1/4

18

3/8

3/8-19 BSPP

N/A
N/A
HS-2 1/2

1/4

18

3/8

3/8-19 BSPP

N/A
N/A
HS-4

1/4

18

3/8

3/8-19 BSPP

N/A
N/A
HS-6 1/2 14 1/2 1/2-14 BSPP
N/A
 N/A
HS-10
 1/2 14 1/2 1/2-14 BSPP N/A N/A
HS-12
 1/2 14 1/2 1/2-14 BSPP N/A N/A

SS Series (Solid Shaft)
Model Description
National Pipe Thread
BSPP
Potentiometer Shaft Hole
Shaft End Tapped Hole
Size
Threads Per Inch
Size
Thread
SS-1

1/8

27

1/8

1/8-28 BSPP

.2486/.2491 x .50 DP
5/16-18 UNC x 1/2 DP
SS-4

1/4

18

1/4

1/4-19 BSPP

.2486/.2491 x .50 DP
3/8-16 UNC x 9/16 DP
SS-8

3/8

18

3/8

3/8-19 BSPP

.2486/.2491 x .50 DP
1/2-13 UNC x 3/4 DP
SS-12

3/8

18

3/8

3/8-19 BSPP

.2486/.2491 x .50 DP
1/2-13 UNC x 3/4 DP
HA-36

3/8

18

3/8

3/8-19 BSPP

.2486/.2491 x .50 DP
1/2-13 UNC x 3/4 DP
SS-25 1/2 14 1/2 1/2-14 BSPP .2486/.2491 x .50 DP 3/4-10 UNC x 1-1/8 DP
SS-40 1 11-1/2 3/4 3/4-14 BSPP .2486/.2491 x .50 DP 3/4-10 UNC x 1-1/8 DP
SS-65
 1 11-1/2 1 1-11 BSPP .2486/.2491 x .50 DP 1-8 UNC x 1-1/2 DP
SS-130
 1 11-1/2 1 1-11 BSPP .2486/.2491 x .50 DP 1-8 UNC x 1-1/2 DP*

SS Aluminum (Solid Shaft)
Model Description
National Pipe Thread
BSPP
Potentiometer Shaft Hole
Shaft End Tapped Hole
Size
Threads Per Inch
Size
Thread
SS-0.2A

N/A

N/A

N/A

N/A
.186-.187 x .38 DP
10-32 UNF-2B x .38 DP
SS-0.5A

1/8

27

1/8

1/8-28 BSPP

.2486/.2491 x .50 DP
10-32 UNF-2B x .38 DP
SS-1A

1/8

27

1/8

1/8-28 BSPP

.2486/.2491 x .50 DP
5/16-18 UNC x 1/2 DP
SS-4A

1/4

18

1/4

1/4-19 BSPP

.2486/.2491 x .50 DP
3/8-16 UNC x 9/16 DP
SS-8A
 3/8 18 3/8 3/8-19 BSPP .2486/.2491 x .50 DP 1/2-13 UNC x 3/4 DP

MP Series (Solid Shaft)
Model Description
National Pipe Thread
BSPP
Potentiometer Shaft Hole
Shaft End Tapped Hole
Size
Threads Per Inch
Size
Thread
MP-11

1/8

27

Consult Factory

Consult Factory
Consult Factory
 Consult Factory
MP-22

1/4

18

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-32

3/8

18

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-34

3/8

18

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-63

3/4

14

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-84 3/4 14

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-105 1 11-1/2

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-116
 1-1/4 11-1/2

Consult Factory

Consult Factory

 Consult Factory Consult Factory
MP-128
 1-1/4 11-1/2

Consult Factory

Consult Factory

Consult Factory

 Consult Factory

Optional Spline Data for Hollow Shaft Series

HS Series (Hollow Shaft)
New Model Description
Pitch
 Teeth Pressure Angle Major Dia. Minor Dia. Pitch Dia.
Length
Shaft End Tapped Hole
HS-1 1/2

16/32

24

30°

1.5735/
1.5625

 1.4375/
1.4425		 1.5000 1.75 ASA B5.15-1960
HS-2 1/2

16/32

24

30°

1.5735/
1.5625

 1.4375/
1.4425		 1.5000 1.75 ASA B5.15-1960
HS-4

16/32

24

30°

1.5735/
1.5625

 1.4375/
1.4425		 1.5000 1.75 ASA B5.15-1960
HS-6

12/24

26

30°

2.2630/
2.2500

2.0833/
2.0833		 2.1667 2.00 ASA B5.15-1960
HS-10

12/24

26

30°

2.2630/
2.2500

2.0833/
2.0833		 2.1667 2.00 ASA B5.15-1960
HS-15

12/24

26

30°

2.2630/
2.2500

2.0833/
2.0833

2.1667

2.00

ASA B5.15-1960


NOTE: Models HS-1 1/2, 2 1/2, and 4 have index mark at 6 o'clock.
NOTE: Models HS-6, 10, and 15 have index mark at 6 o'clock.
 


525 Berne Street · Berne, IN · P: 260-589-2136 · F: 260-589-8966 · www.rotachydroac.com

Micromatic | Catalog | Application | Application Data Form | Engineering Data | Guide to Size
Repair Procedures | Distributor Login | Distributor Locator | In Motion | Team | Help