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Shackle - Class 2 Screw Pin Anchor - Carbon


  • RRC-271D Amend 1 Type IVA, Grade A, Class 2

  • All 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 special request only)

  • All shackles have alloy quenched and tempered pins

  • Shackles made from technically advanced microalloy material

  • Load break tests consistently show microalloy outperforms quenched and tempered carbon material

  • Shock load testing of assemblies at -300oF consistently demonstrate microalloy outperforms quenched and tempered carbon material*

  • Shackles exhibit extreme deformation before failure*

  • Special testing and certification including magnetic particle, proof load, and fatigue test available upon request at time of order

  • Special products engineering available to fit your special lifting, tie down, and pulling needs


*Independent lab verified
Click Here to view Metric Chart
SIZE

DIMENSIONS (INCHES)

SIZE

Diameter of Pin

Diameter of Hole

Width between Eyes

Inside Length

Inside Width at Bow

Outside Diameter of Eye

D

(nominal)

P

(nom)

E

(ref)

W
(nom)

L
(nom)

B
(min)

R
(max)

3/16

0.250

0.307

0.375

0.875

0.562

0.625

1/4

0.312

0.401

0.469

1.125

0.750

0.875

5/16

0.375

0.463

0.531

1.250

0.812

1.000

3/8

0.438

0.531

0.656

1.437

0.937

1.125

7/16

0.500

0.593

0.750

1.689

1.062

1.250

1/2

0.625

0.718

0.813

1.875

1.187

1.375

5/8

0.750

0.843

1.063

2.375

1.500

1.875

3/4

0.875

0.968

1.250

2.813

1.750

2.125

7/8

1.000

1.109

1.438

3.312

2.000

2.375

1

1.125

1.234

1.688

3.750

2.312

2.625

1 1/8

1.250

1.375

1.812

4.250

2.625

2.875

1 1/4

1.375

1.531

2.031

4.688

2.875

3.250

1 3/8

1.500

1.656

2.250

5.250

3.250

3.500

1 1/2

1.625

1.781

2.375

5.750

3.375

3.750

1 5/8

1.750

1.906

2.625

6.250

4.000

4.125

1 3/4

2.000

2.156

2.875

7.000

4.500

4.500

2

2.250

2.406

3.250

7.750

5.250

5.250

 

Size

Working Load Limit WLL (tons)*

Product Code

Painted

UPC 43927-

Galvanized UPC 43927-

Approx Weight Each (lbs)

3/16

1/2

M645

-

40061

.06

1/4

3/4

M646

40070

40062

.12

5/16

1

M647

40008

40064

.20

3/8

1 1/2

M648

40012

40066

.30

7/16

2

M649

40016

40068

.50

1/2

3

M650

40020

40070

.75

5/8

4 1/2

M651

40023

40073

1.3

3/4

6 1/2

M652

40027

40074

2.3

7/8

8 1/2

M653

40031

40076

3.5

1

10

M654

40036

40077

5.0

1 1/8

12

M655

40039

40080

7.0

1 1/4

14

M656

40041

40082

9.5

1 3/8

17

M666

40044

40084

12.5

1 1/2

20

M657

40048

40087

17.2

1 5/8

24

M685

40052

40089

23.5

1 3/4

30

M677

40056

40091

27.7

2

35

M658

40060

40093

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

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