Machinery Eye Bolts

Drop Forged Steel. Heat Treated after forging. Self-colored or hot dipped galvanized. Plain of shoulder type, blank or threaded. Maximum blank lengths, either pattern indicated below. Vertical loads are based on safety factor of
5 to 1. Manufactured from C-1035 steel.
Stock Numbers Standard Lengths
Blank or Threaded
Max. Lengths Available Either Pattern Weight Per 100 In Lbs.
Plain Shoulder Shank Eye Standard Lengths
A B C B Blank Threaded
1 21 1/4" 1" 3/4" 1-1/4" 3" *5 - 5.6 *4.3 - 5
2 22 5/16" 1-1/8" 7/8" 1-1/2" 4" *8.7 - 10.6 *8.1 - 8.7
3 23 3/8" 1-1/4" 1" 1-21/32" 4-1/2" *15 - 19 *14 - 17.8
4 24 7/16" 1-3/8" 1-3/32" 1-27/32" 4-1/2" *26 - 28 *23 - 26
5 25 1/2" 1-1/2" 1-3/16" 2-1/16" 4-1/2" *30 - 37 *28 - 37
6 26 9/16" 1-5/8" 1-9/32" 2-9/32" 4-1/2" *53 - 55 *50 - 52
7 27 5/8" 1-3/4" 1-3/8" 2-1/2" 4-1/2" *58 - 59 *54 - 56
8 28 3/4" 2" 1-1/2" 2-13/16" 5" *85 - 95 *80 - 92
9 29 7/8" 2-1/4" 1-11/16" 3-1/4" 5" *140 - 168 *133 - 153
10 30 1" 2-1/2" 1-13/16" 3-9/16" 5" *210 - 246 *200 - 230
11 31 1-1/8" 2-3/4" 2" 4" 2-3/4" *312 - 350 *287 - 338
12 32 1-1/4" 3" 2-3/16" 4-7/16" 3" *447 - 463 *412 - 438
14 34 1-1/2" 3-1/2" 2-1/2" 5-3/16" 3-1/2" *725 - 738 *687 - 712
* Indicates weight of plain pattern
Maximum load rating for eyebolts are based on a straight vertical lift in a gradually increasing manner. Angular lifts will significantly lower maximum loads (see Shoulder Pattern table) and should be avoided whenever possible. If an angular lift is required, a properly seated Shoulder Pattern eyebolt must be used. Loads should always be applied to eyebolts in the plane of the eye, not at some angle to this plane. Angular lifts must never be more than a 45° angle.
Thread Size
NC2A
Straight Pull
X
1/4"-20 500
5/16"-18 900
3/8"-16 1,400
7/16"-14 2,000
1/2"-13 2,600
9/16"-12 3,000
5/8"-11 4,000
3/4"-10 6,000
7/8"-9 7,000
1"-8 9,000
1⅛"-7 10,000
1¼"-7 15,000
1½"-6 19,600
Thread Size
NC2A
Straight Pull
X
45° Pull
Y
1/4-20 500 125
5/16-18 900 225
3/8-16 1,400 350
7/16-14 2,000 500
1/2-13 2,600 650
9/16-12 3,000 750
5/8-11 4,000 1000
3/4-10 6,000 1500
7/8-9 7,000 1750
1-8 9,000 2250
1⅛-7 10,000 2500
1¼-7 15,000 3750
1½-6 19,600 4900
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