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- Forged Steel - Quenched and Tempered.
- Hot Dip galvanized.
- Tapped with standard UNC class 2 threads after galvanizing.
- Also available in blank (as forged) item (S-4028) or on request with metric threading ( M-400).
- Recommended for In-Line pull.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these products meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26
Metric Dimensions & Specifications
Size No. | "S" Stock Size (mm) | G-400 Stock No. | Std.Tap Size (in.) | Working Load Limit (t)* | Weight Each (kg) | Dimensions (mm) | ||||||||||
A | C | D | E | F | J | K | N | T | W | |||||||
1 | 6.35 | 1090438 | 1/4 | .24 | .04 | 31.8 | 19.1 | 25.4 | 19.1 | 12.7 | 17.5 | 16.0 | 11.7 | 43.7 | 7.85 | |
2 | 7.85 | 1090474 | 3/8 | .57 | .08 | 41.1 | 25.4 | 30.5 | 21.1 | 14.2 | 20.6 | 22.6 | 14.7 | 53 | 10.4 | |
3A | 9.65 | 1090517 | 1/2 | 1.02 | .13 | 51.0 | 31.8 | 36.6 | 27.4 | 20.6 | 25.4 | 27.7 | 18.5 | 63.5 | 12.7 | |
4 | 12.7 | 1090535 | 5/8 | 1.63 | .27 | 63.5 | 38.1 | 48.8 | 34.3 | 25.4 | 33.3 | 33.3 | 21.1 | 82.5 | 17.5 | |
5 | 16 | 1090553 | 3/4 | 2.36 | .45 | 76.0 | 44.5 | 58.0 | 40.4 | 28.4 | 38.1 | 39.9 | 26.7 | 100 | 21.3 | |
6 | 19.1 | 1090571 | 7/8 | 3.27 | .75 | 89.0 | 51.0 | 63.5 | 49.8 | 35.1 | 47.8 | 45.0 | 29.0 | 111 | 25.4 | |
7 | 22.4 | 1090599 | 1 | 4.54 | 1.22 | 102 | 57.0 | 74.0 | 56.0 | 39.6 | 54.0 | 51.5 | 33.0 | 129 | 30.2 | |
8 | 25.4 | 1090633 | 1-1/4 | 7.03 | 1.98 | 114 | 63.5 | 85.0 | 62.5 | 47.8 | 60.5 | 57.5 | 38.6 | 149 | 35.1 | |
9 | 28.7 | 1090651 | 1-3/8 | 8.39 | 2.27 | 127 | 70.0 | 102 | 68.5 | 51.0 | 65.0 | 64.5 | 42.4 | 165 | 38.1 | |
10 | 31.8 | 1090679 | 1-1/2 | 10.21 | 3.08 | 143 | 79.0 | 109 | 78.5 | 57.0 | 76.0 | 71.5 | 46.5 | 179 | 42.2 | |
11 | 38.1 | 1090697 | 2 | 18.14 | 6.62 | 181 | 104 | 152 | 104 | 79.5 | 95.5 | 93.5 | 63.0 | 257 | 49.3 |

Imperial Dimensions & Specifications
Size No. |
Stock Size (in.) S |
G-400 Stock No. Galv. |
Std. Tap Size |
Working Load Limit* (lbs.) | Weight Each (lbs.) |
Dimensions |
|||||||||
A | C | D | E | F | J | K | N | T | W | ||||||
1 | .25 | 1090438 | 1/4 | 520 | .09 | 1.25 | .75 | 1.00 | .75 | .50 | .69 | .63 | .46 | 1.72 | .31 |
2 | .31 | 1090474 | 3/8 | 1250 | .17 | 1.62 | 1.00 | 1.20 | .83 | .56 | .81 | .89 | .58 | 2.09 | .41 |
3A | .38 | 1090517 | 1/2 | 2250 | .28 | 2.00 | 1.25 | 1.44 | 1.08 | .81 | 1.00 | 1.09 | .73 | 2.55 | .50 |
4 | .50 | 1090535 | 5/8 | 3600 | .60 | 2.50 | 1.50 | 1.92 | 1.35 | 1.00 | 1.31 | 1.31 | .83 | 3.25 | .69 |
5 | .63 | 1090553 | 3/4 | 5200 | 1.00 | 3.00 | 1.75 | 2.28 | 1.59 | 1.12 | 1.50 | 1.57 | 1.05 | 3.96 | .84 |
6 | .75 | 1090571 | 7/8 | 7200 | 1.65 | 3.50 | 2.00 | 2.50 | 1.96 | 1.38 | 1.88 | 1.77 | 1.14 | 4.40 | 1.00 |
7 | .88 | 1090599 | 1 | 10000 | 2.69 | 4.00 | 2.25 | 2.92 | 2.21 | 1.56 | 2.13 | 2.02 | 1.30 | 5.10 | 1.19 |
8 | 1.00 | 1090633 | 1-1/4 | 15500 | 3.87 | 4.50 | 2.50 | 3.35 | 2.46 | 1.88 | 2.38 | 2.27 | 1.52 | 5.87 | 1.38 |
9 | 1.13 | 1090651 | 1-3/8 | 18500 | 5.00 | 5.00 | 2.75 | 4.00 | 2.69 | 2.00 | 2.56 | 2.53 | 1.67 | 6.51 | 1.50 |
10 | 1.25 | 1090679 | 1-1/2 | 22500 | 6.78 | 5.62 | 3.12 | 4.31 | 3.09 | 2.25 | 3.00 | 2.82 | 1.83 | 7.06 | 1.66 |
11 | 1.50 | 1090697 | 2 | 40000 | 14.60 | 7.12 | 4.10 | 6.00 | 4.09 | 3.13 | 3.75 | 3.68 | 2.49 | 10.13 | 1.94 |
* Ultimate Load is 5 times the Working Load Limit. Rating based on standard tap size
- Forged Steel - Quenched and Tempered.
- Hot Dip galvanized.
- Tapped with standard UNC class 2 threads after galvanizing.
- Also available in blank (as forged) item (S-4028) or on request with metric threading ( M-400).
- Recommended for In-Line pull.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these products meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26
Metric Dimensions & Specifications
Size No. | "S" Stock Size (mm) | G-400 Stock No. | Std.Tap Size (in.) | Working Load Limit (t)* | Weight Each (kg) | Dimensions (mm) | ||||||||||
A | C | D | E | F | J | K | N | T | W | |||||||
1 | 6.35 | 1090438 | 1/4 | .24 | .04 | 31.8 | 19.1 | 25.4 | 19.1 | 12.7 | 17.5 | 16.0 | 11.7 | 43.7 | 7.85 | |
2 | 7.85 | 1090474 | 3/8 | .57 | .08 | 41.1 | 25.4 | 30.5 | 21.1 | 14.2 | 20.6 | 22.6 | 14.7 | 53 | 10.4 | |
3A | 9.65 | 1090517 | 1/2 | 1.02 | .13 | 51.0 | 31.8 | 36.6 | 27.4 | 20.6 | 25.4 | 27.7 | 18.5 | 63.5 | 12.7 | |
4 | 12.7 | 1090535 | 5/8 | 1.63 | .27 | 63.5 | 38.1 | 48.8 | 34.3 | 25.4 | 33.3 | 33.3 | 21.1 | 82.5 | 17.5 | |
5 | 16 | 1090553 | 3/4 | 2.36 | .45 | 76.0 | 44.5 | 58.0 | 40.4 | 28.4 | 38.1 | 39.9 | 26.7 | 100 | 21.3 | |
6 | 19.1 | 1090571 | 7/8 | 3.27 | .75 | 89.0 | 51.0 | 63.5 | 49.8 | 35.1 | 47.8 | 45.0 | 29.0 | 111 | 25.4 | |
7 | 22.4 | 1090599 | 1 | 4.54 | 1.22 | 102 | 57.0 | 74.0 | 56.0 | 39.6 | 54.0 | 51.5 | 33.0 | 129 | 30.2 | |
8 | 25.4 | 1090633 | 1-1/4 | 7.03 | 1.98 | 114 | 63.5 | 85.0 | 62.5 | 47.8 | 60.5 | 57.5 | 38.6 | 149 | 35.1 | |
9 | 28.7 | 1090651 | 1-3/8 | 8.39 | 2.27 | 127 | 70.0 | 102 | 68.5 | 51.0 | 65.0 | 64.5 | 42.4 | 165 | 38.1 | |
10 | 31.8 | 1090679 | 1-1/2 | 10.21 | 3.08 | 143 | 79.0 | 109 | 78.5 | 57.0 | 76.0 | 71.5 | 46.5 | 179 | 42.2 | |
11 | 38.1 | 1090697 | 2 | 18.14 | 6.62 | 181 | 104 | 152 | 104 | 79.5 | 95.5 | 93.5 | 63.0 | 257 | 49.3 |

Imperial Dimensions & Specifications
Size No. |
Stock Size (in.) S |
G-400 Stock No. Galv. |
Std. Tap Size |
Working Load Limit* (lbs.) | Weight Each (lbs.) |
Dimensions |
|||||||||
A | C | D | E | F | J | K | N | T | W | ||||||
1 | .25 | 1090438 | 1/4 | 520 | .09 | 1.25 | .75 | 1.00 | .75 | .50 | .69 | .63 | .46 | 1.72 | .31 |
2 | .31 | 1090474 | 3/8 | 1250 | .17 | 1.62 | 1.00 | 1.20 | .83 | .56 | .81 | .89 | .58 | 2.09 | .41 |
3A | .38 | 1090517 | 1/2 | 2250 | .28 | 2.00 | 1.25 | 1.44 | 1.08 | .81 | 1.00 | 1.09 | .73 | 2.55 | .50 |
4 | .50 | 1090535 | 5/8 | 3600 | .60 | 2.50 | 1.50 | 1.92 | 1.35 | 1.00 | 1.31 | 1.31 | .83 | 3.25 | .69 |
5 | .63 | 1090553 | 3/4 | 5200 | 1.00 | 3.00 | 1.75 | 2.28 | 1.59 | 1.12 | 1.50 | 1.57 | 1.05 | 3.96 | .84 |
6 | .75 | 1090571 | 7/8 | 7200 | 1.65 | 3.50 | 2.00 | 2.50 | 1.96 | 1.38 | 1.88 | 1.77 | 1.14 | 4.40 | 1.00 |
7 | .88 | 1090599 | 1 | 10000 | 2.69 | 4.00 | 2.25 | 2.92 | 2.21 | 1.56 | 2.13 | 2.02 | 1.30 | 5.10 | 1.19 |
8 | 1.00 | 1090633 | 1-1/4 | 15500 | 3.87 | 4.50 | 2.50 | 3.35 | 2.46 | 1.88 | 2.38 | 2.27 | 1.52 | 5.87 | 1.38 |
9 | 1.13 | 1090651 | 1-3/8 | 18500 | 5.00 | 5.00 | 2.75 | 4.00 | 2.69 | 2.00 | 2.56 | 2.53 | 1.67 | 6.51 | 1.50 |
10 | 1.25 | 1090679 | 1-1/2 | 22500 | 6.78 | 5.62 | 3.12 | 4.31 | 3.09 | 2.25 | 3.00 | 2.82 | 1.83 | 7.06 | 1.66 |
11 | 1.50 | 1090697 | 2 | 40000 | 14.60 | 7.12 | 4.10 | 6.00 | 4.09 | 3.13 | 3.75 | 3.68 | 2.49 | 10.13 | 1.94 |
* Ultimate Load is 5 times the Working Load Limit. Rating based on standard tap size
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Regarding: Crosby "G400" Imperial Eye Nut
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