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CHAIN ATTACHMENTS [Back]

Clevis Alloy Grab Hooks - Grade 80

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









  • Designed to be used with Grade 80 Alloy Chain
  • Heat treated pins
  • Forged in the US from high quality alloy steel
  • Hooks are forged, heat treated and tempered
  • Sizes 1/4 inch through 5/8 inch
  • Painted orange
  • 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 recommended for overhead lifting
Click Here to view Metric Chart

SIZE

Hook
Size

Working
Load
Limit

Dimensions in inches (see figure)

(in)

(lbs)**

W

D

H

L

R

Pin

1/4

3,500

0.31

1.94

0.38

3.25

1.88

11/32

5/16

4,500

0.38

2.28

0.44

3.97

2.38

25/64

3/8

7,100

0.45

2.63

0.50

4.50

2.63

1/2

7/16*

6,900*

0.50

3.00

0.56

5.03

3.00

1/2

1/2

12,000

0.59

3.44

0.66

5.72

3.31

19/32

5/8

18,100

0.75

4.31

0.78

6.88

3.94

3/4

 

Hook Size
(in)

Product Code

UPC

Pack

Approx Wt
Each (lbs)

1/4

M804A

43927-41268

30

0.38

5/16

M805A

43927-41274

30

0.62

3/8

M806A

43927-41281

30

0.96

7/16

M807A*

43927-41286

20

1.46

1/2

M808A

43927-41290

10

2.02

5/8

M810A

43927-41296

10

3.75

*Grade 63

**Alloy clevis hooks develop the mechanical properties of grade 80 & 63 as stated, but are not recommended for overhead lifting sling applications.

 
WARNING
Improper use or care of attachments can result in bodily injury or property damage. To avoide injury or damage, always observe the following when using hooks:
  • Use only 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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