Inch Size, Steel
Lifting Eye Bolts
WN 580

Specification
Information
Body: Forged 1030 carbon steel, ASTM A489, zinc-plated
Lifting eye meets MS51937 specification.

When installing stud type lifting eye bolts WN 580, it is of utmost importance to ensure that the face is in firm contact with the mating surface.
Do not apply load across the face of the ring!
The values given in the table are only applicable when the component attached to the ring is steel, cast steel, or cast iron, and is fastened securely to the mating surface.
WARNING: Rated capacity in table is for straight vertical loading. Capacity is drastically reduced when loading at any angle. Loading must never be made an an angle greater than 45° from bolt centerline. At an angle of 45°, rated capacity is reduced to 1/4 of the value in table.
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Dimensions in:

inches
(millimeters

Part
Number
d1
Thread
d2 d3 l h Rated Capacity
(lbs.)
580-1/4X20-1.00-ST
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1/4-20 .75
(19)
1.19
(30)
1.00
(25)
1.38
(35)
500
580-5/16X18-1.125-ST
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5/16-18 .88
(22)
1.44
(37)
1.125
(29)
1.65
(42)
900
580-3/8X16-1.25-ST
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3/8-16 1.00
(25)
1.69
(43)
1.25
(32)
2.01
(51)
1300
580-1/2X13-1.50-ST
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1/2-13 1.19
(30)
2.13
(54)
1.50
(38)
2.48
(63)
2400
580-5/8X11-1.75-ST
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5/8-11 1.38
(35)
2.56
(65)
1.75
(44)
3.03
(77)
4000
580-3/4X10-2.00-ST
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3/4-10 1.50
(38)
2.81
(71)
2.00
(51)
3.23
(82)
5000
580-7/8X9-2.25-ST
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7/8-9 1.69
(43)
3.19
(81)
2.25
(57)
3.74
(95)
7000
580-1X8-2.50-ST
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1-8 1.81
(46)
3.56
(90)
2.50
(64)
4.09
(104)
9000