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Shackle - Class 1 Round Pin Chain - Industrial


  • RRC-271D Type IVB, Grade A Class 1

  • Shackles meet or exceed Federal Specification RRC-271D

  • Working Load Limit and traceability codes shown as permanent marking on body and pin

  • Available in painted, galvanized and self-colored finishes (Dacromate coating upon sepcial request only)

  • Special products engineering available to fit your special lifting, tie down, and pulling needs
Click Here to view Metric Chart
SIZE

DIMENSIONS (INCHES)

SIZE

Diameter of Pin

Diameter of Hole

Width between Eyes

Inside Length

Outside Diameter of Eye

D

(nominal)

P

(nom)

E

(ref)

W
(nom)

L
(nom)

R
(max)

1/4

0.312

0.401

0.469

0.875

0.875

5/16

0.375

0.463

0.531

1.031

1.000

3/8

0.438

0.531

0.656

1.250

1.125

7/16

0.500

0.593

0.750

1.437

1.250

1/2

0.625

0.718

0.813

1.625

1.375

5/8

0.750

0.843

1.063

2.000

1.875

3/4

0.875

0.968

1.250

2.375

2.125

7/8

1.000

1.109

1.438

2.812

2.375

1

1.125

1.234

1.688

3.188

2.625

1 1/8

1.250

1.375

1.812

3.562

2.875

1 1/4

1.375

1.531

2.031

3.938

3.250

1 3/8

1.500

1.656

2.250

4.438

3.500

1 1/2

1.625

1.781

2.375

4.875

3.750

1 5/8

1.750

1.906

2.625

5.250

4.125

1 3/4

2.000

2.156

2.875

5.750

4.500

2

2.250

2.406

3.250

6.750

5.250

 

Size

Working Load Limit WLL (tons)*

Product Code

Galvanized UPC 43927-

Approx Weight Each (lbs)

1/4

1/2

MC546G

45422

.12

5/16

3/4

MC547G

45428

.20

3/8

1

MC548G

45434

.30

7/16

1 1/2

MC549G

45440

.50

1/2

2

MC550G

45444

.75

5/8

3 1/4

MC551G

46264

1.3

3/4

4 3/4

MC552G

46265

2.3

7/8

6 1/2

MC553G

45448

3.5

1

8 1/2

MC554G

45451

5.0

1 1/8

9 1/2

MC555G

45457

7.0

1 1/4

12

MC556G

45461

9.5

1 3/8

13 1/2

MC566G

45468

12.5

1 1/2

17

MC557G

45475

17.2

1 5/8

20

MC585G

46266

23.5

1 3/4

25

MC577G

45483

27.7

2

35

M558G

40384

39.0

 

*1 ton = 2000 lbs
WARNING
To Avoid Injury:
  • Do not exceed working load limit
  • Always follow safe rigging practices
  • Do not shock load or impact load
  • Do not replace pin with other than original equipment parts
  • Always inspect for wear and or damage before use.
  • Replace if damaged or worn
  • Please note side load limitations
  • Do not side load round pin shackles

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