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CHAIN ATTACHMENTS [Back]

Eye Alloy Slip Hooks - Grade 63 & 70

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


  • Designed to be used with Grade 63 or Grade 70 chain
  • Hooks are forged, heat treated and tempered
  • Forged in the US from high quality alloy steel
  • Sizes 1/4 inch through 5/8 inch
  • Finishes include self-colored or painted orange
  • Hooks embossed with chain grade, fractional size, and country of origin (USA)
  • Latch kits available for sizes 1/4 through 7/16 inch
  • 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
Click Here to view Metric Chart

SIZE

Hook
Size

Working
Load
Limit (lbs)

Dimensions in inches (see figure)

(in)

Grade 63

Grade 70

W

D

H

L

R

G

1/4

2,750

3,150

0.53

2.69

0.91

3.75

2.5

0.88

5/16

3,600

4,700

0.62

3.19

1.05

4.41

3

1.03

3/8

5,500

6,600

0.78

3.75

1.22

5.19

3.5

1.25

7/16

7,100

8,750

0.81

4.33

1.44

5.75

3.91

1.38

1/2

9,400

-

0.94

4.91

1.75

6.34

4.31

1.5

5/8

14,200

-

1.19

5.62

2.00

7.75

5.31

2.25

 

Hook
Size

Hook

Latch Kit*

 

(in)

Product Code

UPC 43927-

Old Style

New Style

Pack

Approx Wt
Each (lbs)

1/4

M6304

46196

4X404

4X1302

20

0.45

5/16

M6305

46198

4X405

4X1304

20

0.58

3/8

M6306

46200

4X406

4X1305

20

0.98

7/16

M6307

46202

4X410

4X1307

10

1.50

1/2

M308A**

41562

-

-

10

2.50

5/8

M310A**

41566

-

-

5

3.10

 

*Latch is designed to retain such items as slings and chains under slack conditions.? The latch is not intended to support the load.? For Stainless Steel Latch, add suffix S or for Z/P latch with positive locking twist clip add suffix M.?

**No latch hole.

 
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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