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Open Grooved Sockets meet the performance requirements of Federal Specification RR-S-550E, Type A, except for those provisions required of the contractor.
NOTE: All cast steel sockets 40mm and larger are magnetic particle inspected and ultrasonic inspected. Proof testing available on special order. Drawing illustrates one groove used on sockets 6mm to 18mm. Sizes 20mm to 38mm use 2 grooves. Sizes 40mm and larger use 3 grooves.
| Rope Dia. | Structural Strand Dia. (mm) | Ultimate Load (t) | Stock No. | Weight Each (kg) | Dimensions (mm) | |||||||||||||||||||
| (mm) | (in.) | G-416 Galv. | S-416 S.C. | A | C | D | F | G | H | J | L | M | N | |||||||||||
| 6-7 | 1/4 | - | 4.50 | 1039619 | 1039628 | .50 | 116 | 19.1 | 17.5 | 9.65 | 17.5 | 39.6 | 57.0 | 39.6 | 33.3 | 9.10 | ||||||||
| 8-10 | 5/16 - 3/8 | - | 12.0 | 1039637 | 1039646 | .59 | 123 | 20.6 | 20.6 | 12.7 | 20.6 | 42.9 | 57.0 | 44.5 | 38.1 | 11.2 | ||||||||
| 11-13 | 7/16 - 1/2 | - | 20.0 | 1039655 | 1039664 | 1.02 | 141 | 25.4 | 25.4 | 14.2 | 23.9 | 47.8 | 63.5 | 51.0 | 47.8 | 12.7 | ||||||||
| 14-16 | 9/16 -5/8 | 12-13 | 27.0 | 1039673 | 1039682 | 1.63 | 171 | 31.8 | 30.2 | 17.5 | 28.7 | 57.0 | 76.0 | 63.5 | 57.0 | 14.2 | ||||||||
| 18 | 3/4 | 14-16 | 43.0 | 1039691 | 1039708 | 2.64 | 202 | 38.1 | 35.1 | 20.6 | 31.8 | 66.5 | 89.0 | 76.0 | 66.5 | 15.7 | ||||||||
| 20-22 | 7/8 | 18-19 | 55.0 | 1039717 | 1039726 | 4.38 | 235 | 44.5 | 41.4 | 23.9 | 38.1 | 82.5 | 102 | 89.0 | 79.5 | 20.3 | ||||||||
| 24-26 | 1 | 20-22 | 78.0 | 1039735 | 1039744 | 7.03 | 268 | 51.0 | 51.0 | 28.7 | 44.5 | 95.5 | 114 | 102 | 95.5 | 22.4 | ||||||||
| 28-30 | 1-1/8 | 24-26 | 92.0 | 1039753 | 1039762 | 9.75 | 300 | 57.0 | 57.0 | 31.8 | 51.0 | 105 | 127 | 117 | 105 | 25.4 | ||||||||
| 32-35 | 1-1/4 - 1-3/8 | 28 | 136 | 1039771 | 1039780 | 14.1 | 335 | 63.5 | 63.5 | 38.1 | 57.0 | 121 | 140 | 127 | 121 | 28.7 | ||||||||
| 38 | 1-1/2 | 30-32 | 170 | 1039799 | 1039806 | 21.4 | 384 | 76.0 | 70.0 | 41.4 | 70.0 | 133 | 152 | 152 | 137 | 30.2 | ||||||||
| * 40-42 | * 1-5/8 | 33-35 | 188 | 1039815 | 1039824 | 24.9 | 413 | 76.0 | 76.0 | 44.5 | 76.0 | 140 | 165 | 165 | 146 | 33.3 | ||||||||
| * 44-48 | * 1-3/4 - 1-7/8 | 36-40 | 268 | 1039833 | 1039842 | 37.2 | 464 | 89.0 | 89.0 | 51.0 | 79.5 | 162 | 191 | 178 | 165 | 39.6 | ||||||||
| * 50-54 | * 2 - 2-1/8 | 42-45 | 291 | 1039851 | 1039860 | 59 | 546 | 102 | 95.5 | 57.0 | 95.5 | 187 | 216 | 229 | 178 | 46.0 | ||||||||
| * 56-60 | * 2-1/4 - 2-3/8 | 46-48 | 360 | 1039879 | 1039888 | 76 | 597 | 114 | 108 | 63.5 | 102 | 210 | 229 | 254 | 197 | 54.0 | ||||||||
| * 64-67 | * 2-1/2 - 2-5/8 | 50-54 | 424 | 1041633 | 1041642 | 114 | 648 | 127 | 121 | 73.0 | 114 | 235 | 248 | 274 | 216 | 60.5 | ||||||||
| * 70-73 | * 2-3/4 - 2-7/8 | 56-62 | 511 | 1041651 | 1041660 | 143 | 692 | 133 | 127 | 79.0 | 124 | 267 | 279 | 279 | 229 | 73.0 | ||||||||
| * 75-80 | * 3 - 3-1/8 | 64-67 | 563 | 1041679 | 1041688 | 172 | 737 | 146 | 133 | 86.0 | 133 | 282 | 305 | 287 | 241 | 76.0 | ||||||||
| * 82-86 | * 3-1/4 - 3-3/8 | 70-73 | 722 | 1041697 | 1041704 | 197 | 784 | 159 | 140 | 92.0 | 146 | 302 | 330 | 300 | 254 | 79.0 | ||||||||
| * 88-92 | * 3-1/2 - 3-5/8 | 76-80 | 779 | 1041713 | 1041722 | 255 | 845 | 171 | 152 | 98.5 | 165 | 314 | 356 | 318 | 274 | 82.5 | ||||||||
| * 94-102 | * 3-3/4 - 4 | - | 875 | 1041731 | 1041740 | 355 | 921 | 191 | 178 | 108 | 184 | 346 | 381 | 343 | 318 | 89.0 | ||||||||

| Rope Dia. (in.) |
Structural Strand Dia. (in.) |
Stock No. | Weight Each (lbs.) |
Dimensions (in.) |
||||||||||
| G-416 Galv. |
S-416 S.C. |
A | C | D | F | G | H | J | L | M | N | |||
| 1/4 | - | 1039619 | 1039628 | 1.10 | 4.56 | .75 | .69 | .38 | .69 | 1.56 | 2.25 | 1.56 | 1.31 | .36 |
| 5/16-3/8 | - | 1039637 | 1039646 | 1.30 | 4.84 | .81 | .81 | .50 | .81 | 1.69 | 2.25 | 1.75 | 1.50 | .44 |
| 7/16-1/2 | - | 1039655 | 1039664 | 2.25 | 5.56 | 1.00 | 1.00 | .56 | .94 | 1.88 | 2.50 | 2.00 | 1.88 | .50 |
| 9/16-5/8 | 1/2 | 1039673 | 1039682 | 3.60 | 6.75 | 1.25 | 1.19 | .69 | 1.13 | 2.25 | 3.00 | 2.50 | 2.25 | .56 |
| 3/4 | 9/16-5/8 | 1039691 | 1039708 | 5.83 | 7.94 | 1.50 | 1.38 | .81 | 1.25 | 2.62 | 3.50 | 3.00 | 2.62 | .62 |
| 7/8 | 11/16-3/4 | 1039717 | 1039726 | 9.65 | 9.25 | 1.75 | 1.63 | .94 | 1.50 | 3.25 | 4.00 | 3.50 | 3.13 | .80 |
| 1 | 13/16-7/8 | 1039735 | 1039744 | 15.50 | 10.56 | 2.00 | 2.00 | 1.13 | 1.75 | 3.75 | 4.50 | 4.00 | 3.75 | .88 |
| 1-1/8 | 15/16-1 | 1039753 | 1039762 | 21.50 | 11.81 | 2.25 | 2.25 | 1.25 | 2.00 | 4.12 | 5.00 | 4.62 | 4.12 | 1.00 |
| 1-1/4 - 1-3/8 | 1-1/16 - 1-1/8 | 1039771 | 1039780 | 31.00 | 13.19 | 2.50 | 2.50 | 1.50 | 2.25 | 4.75 | 5.50 | 5.00 | 4.75 | 1.13 |
| 1-1/2 | 1-3/16 - 1-1/4 | 1039799 | 1039806 | 47.25 | 15.12 | 3.00 | 2.75 | 1.63 | 2.75 | 5.25 | 6.00 | 6.00 | 5.38 | 1.19 |
| * 1-5/8 | 1-5/16 - 1-3/8 | 1039815 | 1039824 | 55.00 | 16.25 | 3.00 | 3.00 | 1.75 | 3.00 | 5.50 | 6.50 | 6.50 | 5.75 | 1.31 |
| * 1-3/4 - 1-7/8 | 1-7/16 - 1-5/8 | 1039833 | 1039842 | 82.00 | 18.25 | 3.50 | 3.50 | 2.00 | 3.13 | 6.38 | 7.50 | 7.00 | 6.50 | 1.56 |
| * 2 - 2-1/8 | 1-11/16 - 1-3/4 | 1039851 | 1039860 | 129.00 | 21.50 | 4.00 | 3.75 | 2.25 | 3.75 | 7.38 | 8.50 | 9.00 | 7.00 | 1.81 |
| * 2-1/4 - 2-3/8 | 1-13/16 - 1-7/8 | 1039879 | 1039888 | 167.00 | 23.50 | 4.50 | 4.25 | 2.50 | 4.00 | 8.25 | 9.00 | 10.00 | 7.75 | 2.13 |
| * 2-1/2 - 2-5/8 | 1-15/16 - 2-1/8 | 1041633 | 1041642 | 252.00 | 25.50 | 5.00 | 4.75 | 2.88 | 4.50 | 9.25 | 9.75 | 10.75 | 8.50 | 2.38 |
| * 2-3/4 - 2-7/8 | 2-3/16 - 2-7/16 | 1041651 | 1041660 | 315.00 | 27.25 | 5.25 | 5.00 | 3.12 | 4.88 | 10.50 | 11.00 | 11.00 | 9.00 | 2.88 |
| * 3 - 3-1/8 | 2-1/2 - 2-5/8 | 1041679 | 1041688 | 380.00 | 29.00 | 5.75 | 5.25 | 3.38 | 5.25 | 11.12 | 12.00 | 11.25 | 9.50 | 3.00 |
| * 3-1/4 - 3-3/8 | 2-3/4 - 2-7/8 | 1041697 | 1041704 | 434.00 | 30.88 | 6.25 | 5.50 | 3.62 | 5.75 | 11.88 | 13.00 | 11.75 | 10.00 | 3.12 |
| * 3-1/2 - 3-5/8 | 3 - 3-1/8 | 1041713 | 1041722 | 563.00 | 33.25 | 6.75 | 6.00 | 3.88 | 6.50 | 12.38 | 14.00 | 12.50 | 10.75 | 3.25 |
| * 3-3/4 - 4 | - | 1041731 | 1041740 | 783.00 | 36.25 | 7.50 | 7.00 | 4.25 | 7.25 | 13.62 | 15.00 | 13.50 | 12.50 | 3.50 |
* Cast Alloy Steel.
If you wish to receive a quote for this product, please use the tab, this form is for general enquiries regarding this product only.
You can also request a quote through the pricing tab!
You can easily add more than one item to the Quote Request. This is highly recommended as we will be able to suit your needs much more efficiently.
Open Grooved Sockets meet the performance requirements of Federal Specification RR-S-550E, Type A, except for those provisions required of the contractor.
NOTE: All cast steel sockets 40mm and larger are magnetic particle inspected and ultrasonic inspected. Proof testing available on special order. Drawing illustrates one groove used on sockets 6mm to 18mm. Sizes 20mm to 38mm use 2 grooves. Sizes 40mm and larger use 3 grooves.
| Rope Dia. | Structural Strand Dia. (mm) | Ultimate Load (t) | Stock No. | Weight Each (kg) | Dimensions (mm) | |||||||||||||||||||
| (mm) | (in.) | G-416 Galv. | S-416 S.C. | A | C | D | F | G | H | J | L | M | N | |||||||||||
| 6-7 | 1/4 | - | 4.50 | 1039619 | 1039628 | .50 | 116 | 19.1 | 17.5 | 9.65 | 17.5 | 39.6 | 57.0 | 39.6 | 33.3 | 9.10 | ||||||||
| 8-10 | 5/16 - 3/8 | - | 12.0 | 1039637 | 1039646 | .59 | 123 | 20.6 | 20.6 | 12.7 | 20.6 | 42.9 | 57.0 | 44.5 | 38.1 | 11.2 | ||||||||
| 11-13 | 7/16 - 1/2 | - | 20.0 | 1039655 | 1039664 | 1.02 | 141 | 25.4 | 25.4 | 14.2 | 23.9 | 47.8 | 63.5 | 51.0 | 47.8 | 12.7 | ||||||||
| 14-16 | 9/16 -5/8 | 12-13 | 27.0 | 1039673 | 1039682 | 1.63 | 171 | 31.8 | 30.2 | 17.5 | 28.7 | 57.0 | 76.0 | 63.5 | 57.0 | 14.2 | ||||||||
| 18 | 3/4 | 14-16 | 43.0 | 1039691 | 1039708 | 2.64 | 202 | 38.1 | 35.1 | 20.6 | 31.8 | 66.5 | 89.0 | 76.0 | 66.5 | 15.7 | ||||||||
| 20-22 | 7/8 | 18-19 | 55.0 | 1039717 | 1039726 | 4.38 | 235 | 44.5 | 41.4 | 23.9 | 38.1 | 82.5 | 102 | 89.0 | 79.5 | 20.3 | ||||||||
| 24-26 | 1 | 20-22 | 78.0 | 1039735 | 1039744 | 7.03 | 268 | 51.0 | 51.0 | 28.7 | 44.5 | 95.5 | 114 | 102 | 95.5 | 22.4 | ||||||||
| 28-30 | 1-1/8 | 24-26 | 92.0 | 1039753 | 1039762 | 9.75 | 300 | 57.0 | 57.0 | 31.8 | 51.0 | 105 | 127 | 117 | 105 | 25.4 | ||||||||
| 32-35 | 1-1/4 - 1-3/8 | 28 | 136 | 1039771 | 1039780 | 14.1 | 335 | 63.5 | 63.5 | 38.1 | 57.0 | 121 | 140 | 127 | 121 | 28.7 | ||||||||
| 38 | 1-1/2 | 30-32 | 170 | 1039799 | 1039806 | 21.4 | 384 | 76.0 | 70.0 | 41.4 | 70.0 | 133 | 152 | 152 | 137 | 30.2 | ||||||||
| * 40-42 | * 1-5/8 | 33-35 | 188 | 1039815 | 1039824 | 24.9 | 413 | 76.0 | 76.0 | 44.5 | 76.0 | 140 | 165 | 165 | 146 | 33.3 | ||||||||
| * 44-48 | * 1-3/4 - 1-7/8 | 36-40 | 268 | 1039833 | 1039842 | 37.2 | 464 | 89.0 | 89.0 | 51.0 | 79.5 | 162 | 191 | 178 | 165 | 39.6 | ||||||||
| * 50-54 | * 2 - 2-1/8 | 42-45 | 291 | 1039851 | 1039860 | 59 | 546 | 102 | 95.5 | 57.0 | 95.5 | 187 | 216 | 229 | 178 | 46.0 | ||||||||
| * 56-60 | * 2-1/4 - 2-3/8 | 46-48 | 360 | 1039879 | 1039888 | 76 | 597 | 114 | 108 | 63.5 | 102 | 210 | 229 | 254 | 197 | 54.0 | ||||||||
| * 64-67 | * 2-1/2 - 2-5/8 | 50-54 | 424 | 1041633 | 1041642 | 114 | 648 | 127 | 121 | 73.0 | 114 | 235 | 248 | 274 | 216 | 60.5 | ||||||||
| * 70-73 | * 2-3/4 - 2-7/8 | 56-62 | 511 | 1041651 | 1041660 | 143 | 692 | 133 | 127 | 79.0 | 124 | 267 | 279 | 279 | 229 | 73.0 | ||||||||
| * 75-80 | * 3 - 3-1/8 | 64-67 | 563 | 1041679 | 1041688 | 172 | 737 | 146 | 133 | 86.0 | 133 | 282 | 305 | 287 | 241 | 76.0 | ||||||||
| * 82-86 | * 3-1/4 - 3-3/8 | 70-73 | 722 | 1041697 | 1041704 | 197 | 784 | 159 | 140 | 92.0 | 146 | 302 | 330 | 300 | 254 | 79.0 | ||||||||
| * 88-92 | * 3-1/2 - 3-5/8 | 76-80 | 779 | 1041713 | 1041722 | 255 | 845 | 171 | 152 | 98.5 | 165 | 314 | 356 | 318 | 274 | 82.5 | ||||||||
| * 94-102 | * 3-3/4 - 4 | - | 875 | 1041731 | 1041740 | 355 | 921 | 191 | 178 | 108 | 184 | 346 | 381 | 343 | 318 | 89.0 | ||||||||

| Rope Dia. (in.) |
Structural Strand Dia. (in.) |
Stock No. | Weight Each (lbs.) |
Dimensions (in.) |
||||||||||
| G-416 Galv. |
S-416 S.C. |
A | C | D | F | G | H | J | L | M | N | |||
| 1/4 | - | 1039619 | 1039628 | 1.10 | 4.56 | .75 | .69 | .38 | .69 | 1.56 | 2.25 | 1.56 | 1.31 | .36 |
| 5/16-3/8 | - | 1039637 | 1039646 | 1.30 | 4.84 | .81 | .81 | .50 | .81 | 1.69 | 2.25 | 1.75 | 1.50 | .44 |
| 7/16-1/2 | - | 1039655 | 1039664 | 2.25 | 5.56 | 1.00 | 1.00 | .56 | .94 | 1.88 | 2.50 | 2.00 | 1.88 | .50 |
| 9/16-5/8 | 1/2 | 1039673 | 1039682 | 3.60 | 6.75 | 1.25 | 1.19 | .69 | 1.13 | 2.25 | 3.00 | 2.50 | 2.25 | .56 |
| 3/4 | 9/16-5/8 | 1039691 | 1039708 | 5.83 | 7.94 | 1.50 | 1.38 | .81 | 1.25 | 2.62 | 3.50 | 3.00 | 2.62 | .62 |
| 7/8 | 11/16-3/4 | 1039717 | 1039726 | 9.65 | 9.25 | 1.75 | 1.63 | .94 | 1.50 | 3.25 | 4.00 | 3.50 | 3.13 | .80 |
| 1 | 13/16-7/8 | 1039735 | 1039744 | 15.50 | 10.56 | 2.00 | 2.00 | 1.13 | 1.75 | 3.75 | 4.50 | 4.00 | 3.75 | .88 |
| 1-1/8 | 15/16-1 | 1039753 | 1039762 | 21.50 | 11.81 | 2.25 | 2.25 | 1.25 | 2.00 | 4.12 | 5.00 | 4.62 | 4.12 | 1.00 |
| 1-1/4 - 1-3/8 | 1-1/16 - 1-1/8 | 1039771 | 1039780 | 31.00 | 13.19 | 2.50 | 2.50 | 1.50 | 2.25 | 4.75 | 5.50 | 5.00 | 4.75 | 1.13 |
| 1-1/2 | 1-3/16 - 1-1/4 | 1039799 | 1039806 | 47.25 | 15.12 | 3.00 | 2.75 | 1.63 | 2.75 | 5.25 | 6.00 | 6.00 | 5.38 | 1.19 |
| * 1-5/8 | 1-5/16 - 1-3/8 | 1039815 | 1039824 | 55.00 | 16.25 | 3.00 | 3.00 | 1.75 | 3.00 | 5.50 | 6.50 | 6.50 | 5.75 | 1.31 |
| * 1-3/4 - 1-7/8 | 1-7/16 - 1-5/8 | 1039833 | 1039842 | 82.00 | 18.25 | 3.50 | 3.50 | 2.00 | 3.13 | 6.38 | 7.50 | 7.00 | 6.50 | 1.56 |
| * 2 - 2-1/8 | 1-11/16 - 1-3/4 | 1039851 | 1039860 | 129.00 | 21.50 | 4.00 | 3.75 | 2.25 | 3.75 | 7.38 | 8.50 | 9.00 | 7.00 | 1.81 |
| * 2-1/4 - 2-3/8 | 1-13/16 - 1-7/8 | 1039879 | 1039888 | 167.00 | 23.50 | 4.50 | 4.25 | 2.50 | 4.00 | 8.25 | 9.00 | 10.00 | 7.75 | 2.13 |
| * 2-1/2 - 2-5/8 | 1-15/16 - 2-1/8 | 1041633 | 1041642 | 252.00 | 25.50 | 5.00 | 4.75 | 2.88 | 4.50 | 9.25 | 9.75 | 10.75 | 8.50 | 2.38 |
| * 2-3/4 - 2-7/8 | 2-3/16 - 2-7/16 | 1041651 | 1041660 | 315.00 | 27.25 | 5.25 | 5.00 | 3.12 | 4.88 | 10.50 | 11.00 | 11.00 | 9.00 | 2.88 |
| * 3 - 3-1/8 | 2-1/2 - 2-5/8 | 1041679 | 1041688 | 380.00 | 29.00 | 5.75 | 5.25 | 3.38 | 5.25 | 11.12 | 12.00 | 11.25 | 9.50 | 3.00 |
| * 3-1/4 - 3-3/8 | 2-3/4 - 2-7/8 | 1041697 | 1041704 | 434.00 | 30.88 | 6.25 | 5.50 | 3.62 | 5.75 | 11.88 | 13.00 | 11.75 | 10.00 | 3.12 |
| * 3-1/2 - 3-5/8 | 3 - 3-1/8 | 1041713 | 1041722 | 563.00 | 33.25 | 6.75 | 6.00 | 3.88 | 6.50 | 12.38 | 14.00 | 12.50 | 10.75 | 3.25 |
| * 3-3/4 - 4 | - | 1041731 | 1041740 | 783.00 | 36.25 | 7.50 | 7.00 | 4.25 | 7.25 | 13.62 | 15.00 | 13.50 | 12.50 | 3.50 |
* Cast Alloy Steel.
If you wish to receive a quote for this product, please use the tab, this form is for general enquiries regarding this product only.
You can also request a quote through the pricing tab!
You can easily add more than one item to the Quote Request. This is highly recommended as we will be able to suit your needs much more efficiently.
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