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Chuck Jaws
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Welcome to H&R Manufacturing and Supply Incorporated.
Welcome to H&R Manufacturing and Supply Incorporated.

Adapters

A Type Conversion Adapters
A Type Conversion Adapters

Dimensions are per USA standards. Available with UNC or Metric Mounting Bolt.

Made From Mild Steel (No Casting)

Specify Metric or Inch requirements when ordering

NOTE:

  • Spindle and Chuck mountings are outer bolt circle type A2
  • "B" Bolts are total of 6 equally spaced 60 DEG Apart on a bolt circle of "C".
  • "E" tapped holes are a total of 12 equally spaced 30 DEG. Apart on a bolt circle of "F".
  • Drive button included.

Spindle

Chuck

H&R Part No.

Type

Mount

A

Bolt B (in.)

Bolt B (MM)

Dia. C

Mount

D

Tap E (in.)

Tap E (MM)

Dia. F

Dia. G

Offset H

Hole I

HR-A5-A6

2

5

3.25

7/16"

10MM

4.125

6

4.187

1/2X13

12X1.75

5.25

6.5

1

2.5

HR-A5-A8

2

5

3.25

7/16"

10MM

4.125

8

5.5

5/8X11

16X2

6.75

8.25

1.125

3

HR-A6-A5

1

6

4.187

1/2"

12MM

5.25

5

3.25

7/16X14

10X1.5

4.125

6.5

1.5

1.7

HR-A6-A8

2

6

4.187

1/2"

12MM

5.25

8

5.5

5/8X11

16X2

6.75

8.25

1.125

3.25

HR-A6-A11

2

6

4.187

1/2"

12MM

5.25

11

7.75

3/4X10

20X2.5

9.25

11

1.375

4

HR-A8-A6

1

8

5.5

5/8"

16MM

6.75

6

4.187

1/2X13

12X1.75

5.25

8.25

1.75

2.5

HR-A8-A11

2

8

5.5

5/8"

18MM

6.75

11

7.75

3/4X10

20X2.5

9.25

11

1.375

5.25

HR-A8-A15

2

8

5.5

5/8"

16MM

6.75

15

11.25

7/8X9

22X2.5

13

15

1.625

5.25

HR-A11-A6

1

11

7.75

3/4"

20MM

9.25

6

4.187

1/2X13

12X1.75

5.25

11

1.75

2.5

HR-A11-A8

1

11

7.75

3/4"

20MM

9.25

8

5.5

5/8X11

16X2

6.75

11

1.875

3.25

HR-A11-A15

2

11

7.75

3/4"

20MM

9.25

15

11.25

7/8X9

22X2.5

13

15

1.625

7.5

HR-A11-A20

2

11

7.75

3/4"

20MM

9.25

20

16.25

1X8

24X3

18.25

20.5

1.875

7.5

HR-A15-A8

1

15

11.25

7/8"

22MM

13

8

5.5

5/8X11

16X2

6.75

15

2

3.25

HR-A15-A11

1

15

11.25

7/8"

22MM

13

11

7.5

3/4X10

20X2.5

9.25

15

2.25

5.25

HR-A15-A20

2

15

11.25

7/8"

22MM

13

20

16.25

1X8

24X3

18.25

20.5

1.875

11

HR-A20-A11

1

20

16.25

1"

24MM

18.25

11

7.75

3/4X10

20X2.5

9.25

20.5

2.125

5.25

HR-A20-A15

1

20

16.25

1"

24MM

18.25

15

11.25

7/8X9

22X2.5

13

20.5

2.5

8.25

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