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Chuck Jaws
1.5MM @ 60 Serrated Jaws
1/16 @ 90 Serrated Jaws
2 Piece Boring Mill Jaws
3/32 @ 90 Serrated Jaws
3MM @ 60 Serrated Jaws
Acme Serrated
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Air Driven Tail Stock
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American Medium Duty T&G
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Custom Hard Fixtures
European Tongue & Groove
Flat System
Heavy Duty Right Angle Drives
Low Profile Boring Mill Jaws
Mounting Standards (ASME)
Quick Change Jaws
Right Angle Drives
Screws and Thrust Bearings
Serrated Jaws
Special Tooling
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Tomb Stone
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Welcome to H&R Manufacturing and Supply Incorporated.
Welcome to H&R Manufacturing and Supply Incorporated.

1/16 @ 90 Serrated Jaws

1/16 Soft Jaws
1/16 Soft Jaws

Chuck Size

Part No.

A

B

C

D

J

F

Bolt

Part No.

A

Part No.

A

5" - 6"

*HR-6-JSH

3-1/8

1-1/2

1-1/4

.433

.437

.718

5/16

*ASTERISK MEANS 2 HOLES ONLY

Extra Length/Pointed

*HR-6-JEH

3-1/8

3

1-1/4

.433

.437

.718

5/16

*HR-WB-11-90

3-1/2

2-1/2

1-1/2

.669

.600

.866

1/2

*HR-WB-11-70

2-3/4

2-1/2

1-1/2

.669

.600

.866

1/2

8" - 10"

HR-10-JSH

4-1/4

2

1-1/2

.551

.562

.875

3/8

HR-10-JSH-O

5

HR-10-JSH-OP

5

HR-10-JEH

4-1/4

3-1/2

1-1/2

.551

.562

.875

3/8

HR-10-JEH-O

5

HR-10-JEH-OP

5

10"HD

HR-11-JSH

4-5/8

2

1-3/4

.788

.625

1.187

1/2

HR-11-JSH-O

5-1/4

HR-11-JSH-OP

5-1/4

HR-11-JEH

4-5/8

3-1/2

1-3/4

.788

.625

1.187

1/2

HR-11-JEH-O

5-1/4

HR-11-JEH-OP-OP

5-1/4

HR-11-JEH-4

4-5/8

4

1-3/4

.788

.625

1.187

1/2

HR-11-JEH-4-O

5-1/4

HR-11-JEH-4-OP

5-1/4

11" - 12"

*HR-WB-12

4-3/4

3

2

.827

1.187

1.125

5/8

HR-WB-12-O

5-3/4

HR-WB-12-OP

5-3/4

HR-12-JSH

5-1/4

2-1/2

1-3/4

.788

.625

1.187

1/2

HR-12-JSH-O

6-1/4

HR-12-JSH-OP

6-1/4

HR-12-JEH

5-1/4

3-1/2

1-3/4

.788

.625

1.187

1/2

HR-12-JEH-O

6-1/4

HR-12-JEH-OP

6-1/4

HR-12-JEH-4

5-1/4

4

1-3/4

.788

.625

1.187

1/2

HR-12-JEH-4-O

6-1/4

HR-12-JEH-4-OP

6-1/4

14" - 15"

*HR-WB-13

5-1/2

3-1/2

2-1/4

1.003

1.187

1.375

20MM

HR-WB-13-O

6-1/4

HR-WB-13-OP

6-1/4

HR-15-JSH

6-5/8

2-1/2

1-3/4

.826

.750

1.562

5/8

HR-15-JSH-O

7-1/2

HR-15-JSH-OP

7-1/2

HR-15-JEH

6-5/8

3-1/2

1-3/4

.826

.750

1.562

5/8

HR-15-JEH-O

7-1/2

HR-15-JEH-OP

7-1/2

HR-15-JEH-4

6-5/8

4

1-3/4

.826

.750

1.562

5/8

HR-15-JEH-4-O

7-1/2

HR-15-JEH-4-OP

7-1/2

HR-15-JEH-5

6-5/8

5

1-3/4

.826

.750

1.562

5/8

HR-15-JEH-5-O

7-1/2

HR-15-JEH-5-OP

7-1/2

18"

HR-18-JSH

6-5/8

2-1/2

2

.826

.750

1.562

5/8

HR-18-JSH-O

7-1/2

HR-18-JSH-OP

7-1/2

HR-18-JEH

6-5/8

3-1/2

2

.826

.750

1.562

5/8

HR-18-JEH-O

7-1/2

HR-18-JEH-OP

7-1/2

HR-18-JEH-5

6-5/8

5

2

.826

.750

1.562

5/8

HR-18-JEH-5-O

7-1/2

HR-18-JEH-5-OP

7-1/2

18"HD Gamet

HR-18-HD

8

3

2-1/2

1.181

.750

1.970

20MM

HR-18-HD-EH

8

5

2-1/2

1.181

.750

1.970

20MM


Chuck Size

Pratt Burnerd

Part No.

A

B

C

D

J

F

Bolt

61/2"

2740-17512

2-1/2

1-1/2

1

.475

.312

.718

5/16

2860-17512

2-3/4

1-1/2

1-1/4

.475

.500

.830

1/2

8"

2740-21512

3

1-3/4

1-1/4

.670

.312

.875

5/16

2860-21512

3-3/16

2

1-1/2

.669

.500

1.000

1/2

10"

2740-26512

3-1/2

2

1-1/2

.827

.500

1.000

1/2

2860-26512

4

2-1/4

1-3/4

.827

.625

1.250

5/8

121/2"

2740-32512

4-1/2

2-1/4

1-1/2

.827

.500

1.187

1/2

2860-32512

4-1/2

2-1/2

2

.827

.625

1.250

5/8

14"

2740-32512

4-1/2

2-1/4

1-1/2

.827

.500

1.187

1/2

16"

2860-40512

6

3

2

1.000

.750

1.750

3/4

SMW 2 Holes

61/2"

11-6.5-2

3-1/2

2

1-1/2

.551

.437

.984

3/8

8"

11-8-2.0

3-1/2

2

1-1/2

.669

.500

1.130

1/2

11-8-3.5

3-1/2

3-1/2

1-1/2

.669

.500

1.130

1/2

10" 121/2"L

11-12.5-2.5

4-3/4

2-1/2

2

.827

1.125

1.187

1/2

11-12.5-3.5

4-3/4

3-1/2

2

.827

1.125

1.187

1/2

11-12.5-5.0

4-3/4

5

2

.827

1.125

1.187

1/2

SMW 3 Holes

5"

12-5-1.5-P

2-1/2

1-1/2

1

.433

.437

.600

5/16

61/2"

12-6.5-1.5-P

3-1/4

1-1/2

1-1/2

.552

.437

.875

3/8

12-6.5-2.5-P

3-1/4

2-1/2

1-1/2

.552

.437

.875

3/8

8"

12-8-2.0-P

4-1/4

2

1-1/2

.669

.500

.875

1/2

12-8-3.5-P

4-1/4

3-1/2

1-1/2

.669

.500

.875

1/2

10" 121/2"L

12-12.5-2.5-P

5-1/4

2-1/2

2

.827

.625

1.187

1/2

12-12.5-3.5-P

5-1/4

3-1/2

2

.827

.625

1.187

1/2

12-12.5-5.0-P

5-1/4

5

2

.827

.625

1.187

1/2

The Workholding Authority

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