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CHAIN ATTACHMENTS [Back]

Clevis Slip Hooks - Grade 30

National Association of Chain Manufacturers (NACM) Welded Chain Specifications 2003


  • Designed to be used with Grade 30 Chain
  • Heat treated pins
  • Forged in the US from high quality carbon steel
  • Sizes 1/4 inch through 1/2 inch
  • Finishes include self-colored or bright zinc (ASME B633-85 Class Fe/Zn 5, Type III)
  • Hooks embossed with chain grade, fractional size, and country of origin (USA)
  • Hooks embossed with trace code providing traceability throughout manufacturing and testing process to heat of steel
  • Design ultimate strength equals 4 times working load limit, matching NACM specifications
  • Not to be used for overhead lifting
Click Here to view Metric Chart

SIZE

Hook
Size

Working
Load
Limit

Dimensions in inches (see figure)

(in)

(lbs)

P

W

H

R

L

D

1/4

1,300

0.31

0.36

0.78

2.63

3.64

2.32

5/16

1,900

0.38

0.42

0.83

3.00

4.12

2.72

3/8

2,650

0.44

0.50

0.94

3.52

4.82

3.20

1/2

4,500

0.55

0.64

1.30

4.67

6.31

4.32

 

Hook
Size

Clear Finish
Industrial Pack

Zinc Finish
Industrial Pack

 

(in)

Product
Code

UPC

Product
Code

UPC

Pack

Approx Wt
Each (lbs)

1/4

66190

81767-66190

66191

81767-66191

50

0.35

-

-

67191

81767-67191

10

5/16

66290

81767-66290

66291

81767-66291

50

0.63

-

-

67291

81767-67291

10

3/8

66390

81767-66390

66391

81767-66391

50

1.02

-

-

67391

81767-67391

10

1/2

66590

81767-66590

66591

81767-66591

10

2.27

 
WARNING
Improper use or care of attachments can result in bodily injury or property damage.
To avoid injury or damage, always observe the following when using hooks:
  • Use alloy attachments for overhead lifting.
  • Do not exceed working load limit.
  • Do not shock or impact load.
  • Do not side load - center line of load must coincide with center line of attachment.
  • Do not replace pin with other than original equipment parts.
  • Inspect before use for wear, deformation, and pin engagement.

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