Outside Diameter of Flange

Diameter Bore

Thickness of Flange

Diameter of Raised Face

Height of Raised Face

Diameter of Hub at Base

Length through Hub

No. of Holes

Diameter of Holes

Diameter of Bolts

Diameter of Bolt Circle

in

in

in

in

in

in

in

in

in

in

in

1/2

3.5

0.88

0.44

1.38

0.0625

1.19

0.62

4

0.62

1/2

2.38

3/4

3.88

1.09

0.5

1.69

0.0625

1.5

0.62

4

0.62

1/2

2.75

1

4.25

1.36

0.56

2.0

0.0625

1.94

0.69

4

0.62

1/2

3.12

1 1/4

4.62

1.70

0.62

2.5

0.0625

2.31

0.81

4

0.62

1/2

3.5

1 1/2

5

1.95

0.69

2.88

0.0625

2.56

0.88

4

0.62

1/2

3.88

2

6

2.44

0.75

3.62

0.0625

3.06

1

4

0.75

5/8

4.75

2 1/2

7

2.94

0.88

4.12

0.0625

3.56

1.12

4

0.75

5/8

5.5

3

7.5

3.57

0.94

5

0.0625

4.25

1.19

4

0.75

5/8

6

3 1/2

8.5

4.07

0.94

5.5

0.0625

4.81

1.25

8

0.75

5/8

7

4

9

4.57

0.94

6.19

0.0625

5.31

1.31

8

0.75

5/8

7.5

5

10

5.66

0.94

7.31

0.0625

6.44

1.44

8

0.88

3/4

8.5

6

11

6.72

1

8.5

0.0625

7.56

1.56

8

0.88

3/4

9.5

8

13.5

8.72

1.12

10.62

0.0625

9.69

1.75

8

0.88

3/4

11.75

10

16

10.88

1.19

12.75

0.0625

12

1.94

12

1

7/8

14.25

12

19

12.88

1.25

15

0.0625

14.38

2.19

12

1

7/8

17

14

21

14.14

1.38

16.25

0.0625

15.75

2.25

12

1.12

1

18.75

16

23.5

16.16

1.44

18.5

0.0625

18

2.5

16

1.12

1

21.25

18

25

18.18

1.56

21

0.0625

19.88

2.69

16

1.25

1 1/8

22.75

20

27.5

20.2

1.69

23

0.0625

22

2.88

20

1.25

1 1/8

25

24

32

24.25

1.88

27.25

0.0625

26.12

3.25

20

1.38

1 1/4

29.5