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450

500
Nominal Bore
15
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

3 3/4" / 95mm

2 5/8" / 67mm

4

1/2"

9/16" / 14mm

3/8" / 10mm

BS10 Table E

3 3/4" / 95mm

2 5/8" / 67mm

4

1/2"

9/16" / 14mm

3/8" / 10mm

BS10 Table F

3 3/4" / 95mm

2 5/8" / 67mm

4

1/2"

9/16" / 14mm

3/8" / 10mm

BS10 Table H

4 1/2" / 114mm

3 1/4" / 83mm

4

5/8"

11/16" / 17mm

1/2" / 13mm

BS10 Table J

4 1/2" / 114mm

3 1/4" / 83mm

4

5/8"

11/16" / 17mm

5/8" / 16mm

BS10 Table K

4 1/2" / 114mm

3 1/4" / 83mm

4

5/8"

11/16" / 17mm

3/4" / 19mm

Back to Nominal Bore index
Nominal Bore
20
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

"4"" / 102mm"

"2 7/8"" / 73mm"

4

"1/2"""

"9/16"" / 14mm"

"3/8"" / 10mm"

BS10 Table E

"4"" / 102mm"

"2 7/8"" / 73mm"

4

"1/2"""

"9/16"" / 14mm"

"3/8"" / 10mm"

BS10 Table F

"4"" / 102mm"

"2 7/8"" / 73mm"

4

"1/2"""

"9/16"" / 14mm"

"3/8"" / 10mm"

BS10 Table H

"4 1/2"" / 114mm"

"3 1/4"" / 83mm"

4

"5/8"""

"11/16"" / 17mm"

"1/2"" / 13mm"

BS10 Table J

"4 1/2"" / 114mm"

"3 1/4"" / 83mm"

4

"5/8"""

"11/16"" / 17mm"

"5/8"" / 16mm"

BS10 Table K

"4 1/2"" / 114mm"

"3 1/4"" / 83mm"

4

"5/8"""

"11/16"" / 17mm"

"3/4"" / 19mm"

Back to Nominal Bore index
Nominal Bore
25
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

4 1/2" / 114mm

3 1/4" / 83mm

4

1/2"

9/16" / 14mm

3/8" / 10mm

BS10 Table E

4 1/2" / 114mm

3 1/4" / 83mm

4

1/2"

9/16" / 14mm

3/8" / 10mm

BS10 Table F

4 3/4" / 121mm

3 7/16" / 87mm

4

5/8"

9/16" / 14mm

3/8" / 10mm

BS10 Table H

4 3/4" / 121mm

3 7/16" / 87mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table J

4 3/4" / 121mm

3 7/16" / 87mm

4

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table K

5" / 127mm

3 3/4" / 95mm

4

5/8"

11/16" / 17mm

7/8" / 22mm

Back to Nominal Bore index
Nominal Bore
32
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

4 3/4" / 121mm

3 7/16" / 87mm

4

1/2"

9/16" / 14mm

1/2" / 13mm

BS10 Table E

4 3/4" / 121mm

3 7/16" / 87mm

4

1/2"

9/16" / 14mm

1/2" / 13mm

BS10 Table F

5 1/4" / 133mm

3 7/8" / 98mm

4

5/8"

11/16" / 17mm

1/2" / 13mm

BS10 Table H

5 1/4" / 133mm

3 7/8" / 98mm

4

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table J

5 1/4" / 133mm

3 7/8" / 98mm

4

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table K

5 1/4" / 133mm

3 7/8" / 98mm

4

5/8"

11/16" / 17mm

7/8" / 22mm

Back to Nominal Bore index
Nominal Bore
40
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

5 1/4" / 133mm

3 7/8" / 98mm

4

1/2"

9/16" / 14mm

1/2" / 13mm

BS10 Table E

5 1/4" / 133mm

3 7/8" / 98mm

4

1/2"

9/16" / 14mm

1/2" / 13mm

BS10 Table F

5 1/2" / 140mm

4 1/8" / 105mm

4

5/8"

11/16" / 17mm

1/2" / 13mm

BS10 Table H

5 1/2" / 140mm

4 1/8" / 105mm

4

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table J

5 1/2" / 140mm

4 1/8" / 105mm

4

5/8"

11/16" / 17mm

7/8" / 22mm

BS10 Table K

6" / 152mm

4 1/2" / 114mm

4

3/4"

7/8" / 22mm

1" / 25mm

Back to Nominal Bore index
Nominal Bore
50
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

6" / 152mm

4 1/2" / 114mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table E

6" / 152mm

4 1/2" / 114mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table F

6 1/2" / 165mm

5" / 127mm

4

5/8"

11/16" / 17mm

5/8" / 16mm

BS10 Table H

6 1/2" / 165mm

5" / 127mm

4

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table J

6 1/2" / 165mm

5" / 127mm

4

3/4"

7/8" / 22mm

1" / 25mm

BS10 Table K

6 1/2" / 165mm

5" / 127mm

8

5/8"

11/16" / 17mm

1" / 25mm

Back to Nominal Bore index
Nominal Bore
65
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

6 1/2" / 165mm

5" / 127mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table E

6 1/2" / 165mm

5" / 127mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table F

7 1/4" / 184mm

5 3/4" / 146mm

8

5/8"

11/16" / 17mm

5/8" / 16mm

BS10 Table H

7 1/4" / 184mm

5 3/4" / 146mm

8

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table J

7 1/4" / 184mm

5 3/4" / 146mm

8

3/4"

7/8" / 22mm

1" / 25mm

BS10 Table K

7 1/4" / 184mm

5 3/4" / 146mm

8

3/4"

7/8" / 22mm

1 1/8" / 29mm

Back to Nominal Bore index
Nominal Bore
80
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

7 1/4" / 184mm

5 3/4" / 146mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table E

7 1/4" / 184mm

5 3/4" / 146mm

4

5/8"

11/16" / 17mm

9/16" / 14mm

BS10 Table F

8" / 203mm

6 1/2" / 165mm

8

5/8"

11/16" / 17mm

5/8" / 16mm

BS10 Table H

8" / 203mm

6 1/2" / 165mm

8

5/8"

11/16" / 17mm

7/8" / 22mm

BS10 Table J

8" / 203mm

6 1/2" / 165mm

8

3/4"

7/8" / 22mm

1 1/4" / 32mm

BS10 Table K

8" / 203mm

6 1/2" / 165mm

8

3/4"

7/8" / 22mm

1 1/4" / 32mm

Back to Nominal Bore index
Nominal Bore
100
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

8 1/2" / 216mm

7" / 178mm

4

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table E

8 1/2" / 216mm

7" / 178mm

8

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table F

9" / 229mm

7 1/2" / 191mm

8

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table H

9" / 229mm

7 1/2" / 191mm

8

5/8"

11/16" / 17mm

1" / 25mm

BS10 Table J

9" / 229mm

7 1/2" / 191mm

8

3/4"

7/8" / 22mm

1 3/8" / 35mm

BS10 Table K

9 1/2" / 241mm

7 3/4" / 197mm

8

7/8"

1" / 25mm

1 3/8" / 35mm

Back to Nominal Bore index
Nominal Bore
125
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

10" / 254mm

8 1/4" / 210mm

8

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table E

10" / 254mm

8 1/4" / 210mm

8

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table F

11" / 279mm

9 1/4" / 235mm

8

3/4"

7/8" / 22mm

7/8" / 22mm

BS10 Table H

11" / 279mm

9 1/4" / 235mm

8

3/4"

7/8" / 22mm

1 1/8" / 29mm

BS10 Table J

11" / 279mm

9 1/4" / 235mm

8

7/8"

1" / 25mm

1 1/2" / 38mm

BS10 Table K

11" / 279mm

9 1/4" / 235mm

12

7/8"

1" / 25mm

1 5/8" / 41mm

Back to Nominal Bore index
Nominal Bore
150
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

11" / 279mm

9 1/4" / 235mm

8

5/8"

11/16" / 17mm

11/16" / 17mm

BS10 Table E

11" / 279mm

9 1/4" / 235mm

8

3/4"

7/8" / 22mm

11/16" / 17mm

BS10 Table F

12" / 305mm

10 1/4" / 260mm

12

3/4"

7/8" / 22mm

7/8" / 22mm

BS10 Table H

12" / 305mm

10 1/4" / 260mm

12

3/4"

7/8" / 22mm

1 1/8" / 29mm

BS10 Table J

12" / 305mm

10 1/4" / 260mm

12

7/8"

1" / 25mm

1 1/2" / 38mm

BS10 Table K

12" / 305mm

10 1/4" / 260mm

12

7/8"

1" / 25mm

1 5/8" / 41mm

Back to Nominal Bore index
Nominal Bore
200
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

13 1/4" / 337mm

11 1/2" / 292mm

8

5/8"

11/16" / 17mm

3/4" / 19mm

BS10 Table E

13 1/4" / 337mm

11 1/2" / 292mm

8

3/4"

7/8" / 22mm

3/4" / 19mm

BS10 Table F

14 1/2" / 368mm

12 3/4" / 324mm

12

3/4"

7/8" / 22mm

1" / 25mm

BS10 Table H

14 1/2" / 368mm

12 3/4" / 324mm

12

3/4"

7/8" / 22mm

1 1/4" / 32mm

BS10 Table J

14 1/2" / 368mm

12 3/4" / 324mm

12

7/8"

1" / 25mm

1 5/8" / 41mm

BS10 Table K

14 1/2" / 368mm

12 1/2" / 318mm

12

1"

1 1/8" / 29mm

1 7/8" / 48mm

Back to Nominal Bore index
Nominal Bore
250
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

16" / 406mm

14" / 356mm

8

3/4"

7/8" / 22mm

3/4" / 19mm

BS10 Table E

16" / 406mm

14" / 356mm

12

3/4"

7/8" / 22mm

7/8" / 22mm

BS10 Table F

17" / 432mm

15" / 381mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table H

17" / 432mm

15" / 381mm

12

7/8"

1" / 25mm

1 3/8" / 35mm

BS10 Table J

17" / 432mm

15" / 381mm

12

1"

1 1/8" / 29mm

1 7/8" / 48mm

BS10 Table K

17" / 432mm

15" / 381mm

16

1"

1 1/8" / 29mm

2" / 51mm

Back to Nominal Bore index
Nominal Bore
300
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

18" / 457mm

16" / 406mm

12

3/4"

7/8" / 22mm

7/8" / 22mm

BS10 Table E

18" / 457mm

16" / 406mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table F

19 1/4" / 489mm

17 1/4" / 438mm

16

7/8"

1" / 25mm

1 1/8" / 29mm

BS10 Table H

19 1/4" / 489mm

17 1/4" / 438mm

16

7/8"

1" / 25mm

1 1/2" / 38mm

BS10 Table J

19 1/4" / 489mm

17 1/4" / 438mm

16

1"

1 1/8" / 29mm

2" / 51mm

BS10 Table K

19 1/4" / 489mm

17" / 432mm

16

1 1/8"

1 1/4" / 32mm

1 1/4" / 32mm

Back to Nominal Bore index
Nominal Bore
350
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

20 3/4" / 527mm

18 1/2" / 470mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table E

20 3/4" / 527mm

18 1/2" / 470mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table F

21 3/4" / 552mm

19 1/2" / 495mm

16

1"

1 1/8" / 29mm

1 1/4" / 32mm

BS10 Table H

21 3/4" / 552mm

19 1/2" / 495mm

16

1"

1 1/8" / 29mm

1 5/8" / 41mm

BS10 Table J

21 3/4" / 552mm

19 1/2" / 495mm

16

1 1/8"

1 1/4" / 32mm

2 1/8" / 54mm

BS10 Table K

22 1/2" / 572mm

20" / 508mm

16

1 1/4"

1 3/8" / 35mm

2 3/8" / 60mm

Back to Nominal Bore index
Nominal Bore
400
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

22 3/4" / 578mm

20 1/2" / 521mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table E

22 3/4" / 578mm

20 1/2" / 521mm

12

7/8"

1" / 25mm

1" / 25mm

BS10 Table F

24" / 610mm

21 3/4" / 552mm

20

1"

1 1/8" / 29mm

1 1/4" / 32mm

BS10 Table H

24" / 610mm

21 3/4" / 552mm

20

1"

1 1/8" / 29mm

1 3/4" / 44mm

BS10 Table J

24" / 610mm

21 3/4" / 552mm

20

1 1/8"

1 1/4" / 32mm

2 1/4" / 57mm

Back to Nominal Bore index
Nominal Bore
450
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

25 1/4" / 641mm

23" / 584mm

12

7/8"

1" / 25mm

1 1/8" / 29mm

BS10 Table E

25 1/4" / 641mm

23" / 584mm

16

7/8"

1" / 25mm

1 1/8" / 29mm

BS10 Table F

26 1/2" / 673mm

24" / 610mm

20

1 1/8"

1 1/4" / 32mm

1 3/8" / 35mm

BS10 Table H

26 1/2" / 673mm

24" / 610mm

20

1 1/8"

1 1/4" / 32mm

1 7/8" / 48mm

BS10 Table J

26 1/2" / 673mm

24" / 610mm

20

1 1/4"

1 3/8" / 35mm

2 3/8" / 60mm

BS10 Table K

28 1/4" / 718mm

25 3/4" / 654mm

20

1 3/8"

1 1/2" / 38mm

3" / 76mm

Back to Nominal Bore index
Nominal Bore
500
Flange Diameter
PCD
Bolts
Boltsize
Hole Size
Thickness

BS10 Table D

27 3/4" / 705mm

25 1/4" / 641mm

16

7/8"

1" / 25mm

1 1/4" / 32mm

BS10 Table E

27 3/4" / 705mm

25 1/4" / 641mm

16

7/8"

1" / 25mm

1 1/4" / 32mm

BS10 Table F

29" / 737mm

26 1/2" / 673mm

20

1 1/8"

1 1/4" / 32mm

1 1/2" / 38mm

BS10 Table H

29" / 737mm

26 1/2" / 673mm

20

1 1/8"

1 1/4" / 32mm

2" / 51mm

BS10 Table J

29" / 737mm

26 1/2" / 673mm

20

1 1/4"

1 3/8" / 35mm

2 1/2" / 64mm

BS10 Table K

31" / 787mm

28" / 711mm

20

1 1/2"

1 5/8" / 41mm

3 1/4" / 83mm

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