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Stud Link Anchor Chain (Oil Rig Quality and Grade 4) |
| Chain Size | Link Length | Oil Rig | Grade 4 | ||||||
| inches | mm | Dim A | Dim B | 5 Links Dim C | ~Weight/ 15fm shot | Proof Load | Break Load | Proof Load | Break Load |
| 1 | 25 | 6 | 3-9/16 | 22 | 900 | 85000 | 131000 | - | - |
| 1-1/8 | 29 | 6-3/4 | 4 | 24-3/4 | 1140 | 107000 | 163000 | - | - |
| 1-1/4 | 32 | 7-1/2 | 4-1/2 | 27-1/2 | 1415 | 131000 | 200000 | - | - |
| 1-3/8 | 34 | 8-1/4 | 4-15/16 | 30-1/4 | 1705 | 158000 | 238000 | - | - |
| 1-1/2 | 38 | 9 | 5-3/8 | 33 | 2035 | 187000 | 282000 | - | - |
| 1-5/8 | 42 | 9-3/4 | 5-7/8 | 35-3/4 | 2345 | 218000 | 329000 | - | - |
| 1-3/4 | 44 | 10-1/2 | 6-5/16 | 38-1/2 | 2720 | 251000 | 379000 | - | - |
| 1-7/8 | 48 | 11-1/4 | 6-3/4 | 41-1//4 | 3125 | 287000 | 432000 | - | - |
| 2 | 51 | 12 | 7-3/16 | 44 | 3525 | 324000 | 489000 | 485600 | 616000 |
| 2-1/16 | 52 | 12-3/8 | 7-7/16 | 45-3/8 | 3750 | 344000 | 518500 | 523700 | 665400 |
| 2-1/8 | 54 | 12-3/4 | 7-5/8 | 46-3/4 | 3975 | 364000 | 548000 | 562000 | 767000 |
| 2-3/16 | 56 | 13-1/8 | 7-7/8 | 48-1/8 | 4215 | 384500 | 579500 | 602400 | 712600 |
| 2-1/4 | 58 | 13-1/2 | 8-1/8 | 49-1/2 | 4460 | 405000 | 611000 | 622600 | 764300 |
| 2-5/16 | 59 | 13-7/8 | 8-5/16 | 50-7/8 | 4710 | 427000 | 643500 | 642900 | 816000 |
| 2-3/8 | 60 | 14-1/4 | 8-9/16 | 52-1/4 | 4960 | 449000 | 676000 | 685600 | 870000 |
| 2-7/16 | 62 | 14-5/8 | 8-3/4 | 53-5/8 | 5210 | 471500 | 710000 | 728300 | 926200 |
| 2-1/2 | 64 | 15 | 9 | 55 | 5528 | 494000 | 744000 | 773300 | 982400 |
| 2-9/16 | 66 | 15-3/8 | 9-1/4 | 56-3/8 | 5810 | 517500 | 779500 | 818300 | 1040800 |
| 2-5/8 | 67 | 15-3/4 | 9-7/16 | 57-3/4 | 6105 | 541000 | 815000 | 865500 | 1099300 |
| 2-11/16 | 68 | 16-1/8 | 9-11/16 | 59-1/8 | 6410 | 565500 | 852000 | 889100 | 1129600 |
| 2-3/4 | 70 | 16-1/2 | 9-7/8 | 60-1/2 | 6725 | 590000 | 889000 | 912700 | 1159900 |
| 2-13/16 | 71 | 16-7/8 | 10-1/8 | 61-7/8 | 7040 | 615000 | 927000 | 949800 | 1207200 |
| 2-7/8 | 73 | 17-1/4 | 10-3/8 | 63-1/4 | 7365 | 640000 | 965000 | 986900 | 1254400 |
| 2-15/16 | 75 | 17-5/8 | 10-9/16 | 64-5/8 | 7696 | 666500 | 1004500 | 1025100 | 1302700 |
| 3 | 76 | 18 | 10-13/16 | 66 | 8035 | 693000 | 1044000 | 1063300 | 1351000 |
| 3-1/16 | 78 | 18-3/8 | 11 | 67-3/8 | 8379 | 720500 | 1084500 | 1115000 | 1416200 |
| 3-1/8 | 79 | 18-3/4 | 11-1/4 | 68-3/4 | 8736 | 747000 | 1125000 | 1155500 | 1517400 |
| 3-3/16 | 81 | 19-1/8 | 11-1/2 | 70-1/8 | 9093 | 774500 | 1167000 | 1195900 | 1570200 |
| 3-1/4 | 83 | 19-1/2 | 11-11/16 | 71-1/2 | 9460 | 802000 | 1209000 | 1236400 | - |
| 3-5/16 | 84 | 19-7/8 | 11-15/16 | 72-7/8 | 9828 | 830500 | 1252000 | - | - |
| 3-3/8 | 86 | 20-1/4 | 12-1/8 | 74-1/4 | 10210 | 859000 | 1295000 | - | - |
| 3-7/16 | 87 | 20-5/8 | 12-3/8 | 75-5/8 | 10599 | 888500 | 1339000 | - | - |
| 3-1/2 | 90 | 21 | 12-5/8 | 77 | 10998 | 918000 | 1383000 | - | - |
| 3-5/8 | 92 | 21-3/4 | 12-15/16 | 79-3/4 | 11607 | 977000 | 1473000 | - | - |
| 3-3/4 | 95 | 22-1/2 | 13-3/8 | 82-1/2 | 12626 | 1039000 | 1566000 | - | - |
| 3-7/8 | 98 | 23-1/4 | 14 | 85-1/4 | 13570 | 1101000 | 1660000 | - | - |
| 4 | 102 | 24 | 14-3/8 | 88 | 14400 | 1165000 | 1756000 | - | - |