Rigid Coupling

Set Screw Coupling RC4H-Series


Set Screw Couplings are the most cost effective Rigid Coupling design. Available with or without keyway.


Bore Sizes: 1/4" through 2"
Available in:
Steel-Black Oxide Finish
Stainless Steel


Download Catalog Page >> PDF Format


Black Oxide Steel

Stainless Steel

Bore Size

2nd Bore Size

OD

Length

Set Screw

Box Qty

Approx.
Weight (oz.)

RC-025-4H@90

RC-025-S-4H@90

1/ 4

1/ 4

1/ 2

3/ 4

10-32 x 1/8

20

0.45

RC-031-4H@90

RC-031-S-4H@90

5/16

5/16

5/ 8

1

10-32 x 1/8

20

1.00

RC-037-4H@90

RC-037-S-4H@90

3/ 8

3/ 8

3/ 4

1

1/4-20 x 3/16

20

1.40

RC-050-4H@90

RC-050-S-4H@90

1/ 2

1/ 2

1

1 1/ 2

1/4-20 x 1/4

5

3.80

RC-062-4H@90

RC-062-S-4H@90

5/ 8

5/ 8

1 1/ 4

2

5/16-18 x 5/16

5

8.00

RC-075-4H@90

RC-075-S-4H@90

3/ 4

3/ 4

1 1/ 2

2

5/16-18 x 3/8

5

11.60

RC-087-4H@90

RC-087-S-4H@90

7/ 8

7/ 8

1 3/ 4

2

5/16-18 x 5/16

5

16.00

RC-100-4H@90

RC-100-S-4H@90

1

1

2

3

5/16-18 x 1/2

2

32.00

RC-112-4H@90

RC-112-S-4H@90

1 1/ 8

1 1/ 8

2 1/ 8

3

3/8-16 x 1/2

2

40.15

RC-125-4H@90

RC-125-S-4H@90

1 1/ 4

1 1/ 4

2 1/ 4

4

3/8-16 x 1/2

2

48.30

RC-137-4H@90

RC-137-S-4H@90

1 3/ 8

1 3/ 8

2 1/ 2

4 1/ 2

3/8-16 x 1/2

1

55.15

RC-150-4H@90

RC-150-S-4H@90

1 1/ 2

1 1/ 2

2 1/ 2

4 1/ 2

3/8-16 x 1/2

1

62.00

RC-175-4H@90 RC-175-S-4H@90 1 3/ 4 1 3/ 4 2 3/4 4 1/ 2 3/8-16 x 1/2 1 70.60
RC-200-4H@90 RC-200-S-4H@90

2

2

3 5/16

4 1/ 2

1/2-13 x 1/2

1

109.00


Black Oxide Steel with Keyway

Stainless Steel with Keyway

Bore Size

2nd Bore Size

OD

Length

Set Screw

Box Qty

Approx.
Weight (oz.)

RC-037-KW4H@90

RC-037-SKW4H@90

3/ 8

3/ 8

3/ 4

1

1/4-20 x 3/16

20

1.40

RC-050-KW4H@90

RC-050-SKW4H@90

1/ 2

1/ 2

1

1 1/ 2

1/4-20 x 3/16

5

3.80

RC-062-KW4H@90

RC-062-SKW4H@90

5/ 8

5/ 8

1 1/ 4

2

5/16-18 x 1/4

5

8.00

RC-075-KW4H@90

RC-075-SKW4H@90

3/ 4

3/ 4

1 1/ 2

2

5/16-18 x 1/4

5

11.60

RC-087-KW4H@90

RC-087-SKW4H@90

7/ 8

7/ 8

1 3/ 4

2

5/16-18 x 5/16

5

16.00

RC-100-KW4H@90

RC-100-SKW4H@90

1

1

2

3

5/16-18 x 3/8

2

32.00

RC-112-KW4H@90 RC-112-SKW4H@90 1 1/8 1 1/8 2 1/8 3 3/8-16 x 3/8 2 40.15

RC-125-KW4H@90

RC-125-SKW4H@90

1 1/ 4

1 1/ 4

2 1/ 4

4

3/8-16 x 3/8

2

48.30

RC-137-KW4H@90 RC-137-SKW4H@90 1 3/8 1 3/8 2 1/2 4 1/2 3/8-16 x 3/8 1 55.15
RC-150-KW4H@90 RC-150-SKW4H@90 1 1/2 1 1/2 2 1/2 4 1/2 3/8-16 x 3/8 1 62.00
RC-175-KW4H@90 RC-175-SKW4H@90 1 3/4 1 3/4 2 3/4 4 1/2 3/8-16 x 3/8 1 70.60
RC-200-KW4H@90 RC-200-SKW4H@90 2 2 3 5/16 4 1/2

1/2-13 x 1/2

1 109.00

DIMENSION BORE
TOLERANCE
Bore, Inch 1/4 to 1/2 +.0005/+.0025
Bore, Inch 5/8 to 2 +.0005/+.0030

* Screw lengths are for parts without keyway




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