Eyebolts

ANSI B18.15 1969

Type 1 Regular Pattern Eyebolt

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Nominal
Size
A B C D E F G H Wx Wy Wz
Shank
Dia
Shank
Length
Eye
ID
Nominal
Eye OD
Eye
Sect Dia
Overall
Length
Min Length
Full Thread
Thread
Size
UNC-2A
Safe Working
Load, lb
at 0 Deg
1
Safe Working
Load, lb
at 45 Deg
1
Safe Working
Load, lb
at 90 Deg
1
1/4* 0.25 0.25
0.28
1.00
1.06
0.69
0.81
1.19 0.19
0.25
2.06
2.38
0.75 1/4-20 or .250-20 400 80 60
5/16* 0.31 0.31
0.34
1.12
1.19
0.81
0.94
1.44 0.25
0.31
2.44
2.75
0.81 5/16-18 or .3125-18 800 160 120
3/8* 0.38 0.38
0.41
1.25
1.38
0.94
1.06
1.69 0.31
0.38
2.81
3.19
0.88 3/8-16 or .375-16 1400 280 210
7/16 0.44 0.44
0.47
1.38
1.50
1.00
1.12
1.81 0.34
0.41
3.06
3.44
1.00 7/16-14 or .4375-14 2000 400 300
1/2* 0.50 0.50
0.53
1.50
1.62
1.12
1.25
2.12 0.44
0.50
3.50
3.88
1.12 1/2-13 or .500-13 2600 520 390
9/16 0.56 0.56
0.59
1.62
1.75
1.19
1.31
2.25 0.47
0.53
3.75
4.12
1.25 9/16-12 or .5625-12 3000 600 450
5/8* 0.62 0.62
0.66
1.75
1.88
1.31
1.44
2.56 0.56
0.62
4.19
4.56
1.38 5/8-11 or .625-11 4000 800 600
3/4* 0.75 0.75
0.78
2.00
2.12
1.44
1.56
2.81 0.62
0.69
4.69
5.06
1.62 3/4-10 or .750-10 6000 1200 900
7/8* 0.88 0.88
0.91
2.25
2.38
1.56
1.69
3.19 0.75
0.81
5.31
5.69
1.81 7/8-9 or .875-9 6600 1300 1000
1* 1.00 1.00
1.06
2.50
2.62
1.69
1.81
3.56 0.88
0.94
5.94
6.31
2.06 1-8 or 1.000-8 8000 1600 1200
1-1/8 1.12 1.12
1.19
2.75
2.88
1.94
2.06
4.06 1.00
1.06
6.69
7.06
2.31 1-1/8-7 or 1.125-7 10000 2000 1500
1-1/4* 1.25 1.25
1.34
3.00
3.12
2.12
2.25
4.44 1.09
1.16
7.31
7.69
2.50 1-1/4-7 or 1.250-7 15000 3000 2250
1-1/2* 1.50 1.50
1.59
3.50
3.62
2.44
2.56
5.19 1.31
1.38
8.56
8.94
3.00 1-1/2-6 or 1.500-6 18000 3600 2700
1-3/4 1.75 1.75
1.84
3.75
3.88
2.75
3.00
6.00 1.50
1.62
9.50
10.12
3.19 1-3/4-5 or 1.750-5 22000 4400 3300
2* 2.00 2.00
2.09
4.00
4.25
3.06
3.44
6.88 1.75
1.88
10.56
11.44
3.38 2-4-1/2- or 2.000-4.50 26000 5200 3900
2-1/2* 2.50 2.50
2.62
5.00
5.25
3.81
4.19
8.50 2.19
2.31
13.19
14.06
4.25 2-1/2-4 or 2.500-4 32000 6400 4800

NOTES: *Preferred

1. These safe working loads are based on the following percentages of minimum proof loads shown in ASTM

A 489; 0 Deg – 66.6 per cent, 45 Deg – 13.3 per cent, 90 Deg – 10.0 per cent.

 

 

TYPE 2 SHOULDER PATTERN EYEBOLTS

ANSI B18.15 1969

Type 2 Shoulder Pattern Eyebolt

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Nominal
Size
A B C D E F G H J K L R Wx Wy Wz
Shank
Dia
Shank
Length
Eye
ID
Nominal
Eye OD
Eye
Sect Dia
Overall
Length
Min Length
Full Thread
Thread
Size
UNC-2A
Centerline
Eye to
Shoulder
Shoulder
Dia
Shoulder
Height
Radius
Under
Shoulder
Safe Working1
Load, lb at
45° 90°
1/4* 0.25 0.25
0.28
1.00
1.06
0.69
0.81
1.19 0.19
0.25
2.22
2.53
0.75 1/4-20 or .250-20 0.69
0.81
0.50
0.56
0.12
0.19
0.015
0.025
400 100 80
5/16* 0.31 0.31
0.34
1.12
1.19
0.81
0.94
1.44 0.25
0.31
2.66
2.97
0.81 5/16-18 or .3125-18 0.88
1.00
0.56
0.62
0.12
0.19
0.015
0.025
800 200 160
3/8* 0.38 0.38
0.41
1.25
1.38
0.94
1.06
1.69 0.31
0.38
3.09
3.47
0.88 3/8-16 or .375-16 1.06
1.19
0.62
0.69
0.12
0.19
0.015
0.025
1400 350 280
7/16 0.44 0.44
0.47
1.38
1.50
1.00
1.12
1.81 0.34
0.41
3.41
3.78
1.00 7/16-14 or .4375-14 1.19
1.31
0.75
0.81
0.19
0.25
0.015
0.025
2000 500 400
1/2* 0.50 0.50
0.53
1.50
1.62
1.12
1.25
2.12 0.44
0.50
3.81
4.19
1.12 1/2-13 or .500-13 1.31
1.44
0.88
0.94
0.19
0.25
0.015
0.025
2600 650 520
9/16 0.56 0.56
0.59
1.62
1.75
1.19
1.31
2.25 0.47
0.53
4.19
4.56
1.25 9/16-12 or .5625-12 1.50
1.62
0.94
1.00
0.22
0.28
0.020
0.045
3000 750 600
5/8* 0.62 0.62
0.66
1.75
1.88
1.31
1.44
2.56 0.56
0.62
4.56
4.94
1.38 5/8-11 or .625-11 1.59
1.72
1.00
1.06
0.25
0.31
0.020
0.045
4000 1000 800
3/4* 0.75 0.75
0.78
2.00
2.12
1.44
1.56
2.81 0.62
0.69
5.06
5.50
1.62 3/4-10 or .750-10 1.72
1.91
1.12
1.25
0.25
0.31
0.020
0.045
6000 1500 1200
7/8* 0.88 0.88
0.91
2.25
2.38
1.56
1.69
3.19 0.75
0.81
5.75
6.19
1.81 7/8-9 or .875-9 2.03
2.22
1.31
1.44
0.31
0.38
0.040
0.065
6600 1670 1330
1* 1.00 1.00
1.06
2.50
2.62
1.69
1.81
3.56 0.88
0.94
6.44
6.88
2.06 1-8 or 1.000-8 2.22
2.41
1.50
1.62
0.38
0.44
0.060
0.095
8000 2000 1600
1-1/8 1.12 1.12
1.19
2.75
2.88
1.94
2.06
4.06 1.00
1.06
7.31
7.75
2.31 1-1/8-7 or 1.125-7 2.59
2.78
1.69
1.81
0.44
0.50
0.060
0.095
10000 2500 2000
1-1/4* 1.25 1.25
1.34
3.00
3.12
2.12
2.25
4.44 1.09
1.16
8.00
8.44
2.50 1-1/4-7 or 1.250-7 2.84
3.03
1.88
2.00
0.50
0.56
0.060
0.095
15000 3750 3000
1-1/2* 1.50 1.50
1.59
3.50
3.62
2.44
2.56
5.19 1.31
1.38
9.22
9.72
3.00 1-1/2-6 or 1.500-6 3.19
3.44
2.12
2.25
0.50
0.62
0.060
0.095
18000 4500 3600
1-3/4 1.75 1.75
1.84
3.75
3.88
2.75
3.00
6.00 1.50
1.62
10.50
11.12
3.19 1-3/4-5 or 1.750-5 3.88
4.12
2.50
2.62
0.50
0.62
0.060
0.095
22000 5500 4400
2* 2.00 2.00
2.09
4.00
4.12
3.06
3.44
6.88 1.75
1.88
11.53
12.22
3.38 2-4-1/2- or 2.000-4.50 4.25
4.50
2.88
3.00
0.62
0.75
0.060
0.095
26000 6500 5200

NOTES: 1. *Preferred.

Applies if shoulder is properly seated, otherwise safe working load of Type 1 applies. These safe working loads are based on the following percentages of minimum proof loads shown in ASTM A 489; 0 Deg – 66.6 per cent, 45 Deg – 16.7 per cent, 90 Deg – 13.3 per cent.