Material: Hot-Dip Galvanized Steel
Per ASTM A153 & CSA G164
| Standard Torque Anchor Lead Configurations | ||||||||||
| Catalog No. | Plate Dia. | Plate Area | Length | |||||||
| A | B | C | ||||||||
| inch | mm | inch | mm | inch | mm | sq. ft. | sq. cm | inch | mm | |
| THA-288-60-8 | 8 | 203 | - | - | - | - | 0.30 | 279 | 60 | 1524 |
| THA-288-60-10 | 10 | 254 | - | - | - | - | 0.50 | 465 | 60 | 1524 |
| THA-288-60-12 | 12 | 305 | - | - | - | - | 0.74 | 687 | 60 | 1524 |
| THA-288-60-8-10 | 8 | 203 | 10 | 254 | - | - | 0.80 | 743 | 60 | 1524 |
| THA-288-60-10-12 | 10 | 254 | 12 | 305 | - | - | 1.24 | 1152 | 60 | 1524 |
| THA-288-84-8-10 | 8 | 203 | 10 | 254 | - | - | 0.80 | 743 | 84 | 2134 |
| THA-288-84-8-10 | 8 | 203 | 10 | 254 | - | - | 0.80 | 743 | 84 | 2134 |
| THA-288-84-10-12 | 10 | 254 | 12 | 305 | - | - | 1.24 | 1152 | 84 | 2134 |
| THA-288-84-10-12 | 10 | 254 | 12 | 305 | - | - | 1.24 | 1152 | 84 | 2134 |
| THA-288-84-8-10-12 | 8 | 203 | 10 | 254 | 12 | 305 | 1.54 | 1431 | 84 | 2134 |
| THA-288-84-10-12-14 | 10 | 254 | 12 | 305 | 14 | 356 | 2.26 | 2100 | 84 | 2134 |
| THA-288-84-8-10-12 | 8 | 203 | 10 | 254 | 12 | 305 | 1.54 | 1431 | 120 | 3048 |
| THA-288-84-10-12-14 | 10 | 254 | 12 | 305 | 14 | 356 | 2.26 | 2100 | 120 | 3048 |
| THA-288-84-14-14-14 | 14 | 356 | 14 | 356 | 14 | 356 | 3.07 | 2852 | 84 | 2134 |
| Standard Torque Anchor Extensions | ||||||||||
| Part No. | ||||||||||
| inch | mm | inch | mm | inch | mm | inch | mm | |||
| 36 | 914 | 60 | 1524 | 84 | 2134 | 120 | 3048 | |||
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| 2-7/8'' 100,000# Compression Helical | ||||||||||
| Part # | Size | Length | # Helix | Helix Dia. | ||||||
| inch | mm | inch | mm | inch | mm | |||||
| THA-288-60-12 | 2-7/8 | 73 | 60 | 1524 | 1 | 12 | 305 | |||
| THA-288-60-8-10 | 2-7/8 | 73 | 60 | 1524 | 2 | 8.10 | 203.254 | |||
| THA-288-60-10-12 | 2-7/8 | 73 | 60 | 1524 | 2 | 10.12 | 254.305 | |||
| THA-288-84-10-12 | 2-7/8 | 73 | 84 | 2134 | 2 | 10.12 | 254.305 | |||
| THA-288-84-12-14 | 2-7/8 | 73 | 84 | 2134 | 2 | 12.14 | 305.356 | |||
| THA-288-84-8-10-12 | 2-7/8 | 73 | 84 | 2134 | 3 | 8.10.12 | 203.254.305 | |||
| THA-288-84-10-12-14 | 2-7/8 | 73 | 84 | 2134 | 3 | 10.12.14 | 254.305.356 | |||
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| 2-7/8'' Helical Extensions | ||||||||||
| Part # | Size | Length | # Helix | Helix Dia. | ||||||
| inch | mm | inch | mm | inch | mm | |||||
| THE-288-36 | 2-7/8 | 73 | 36 | 914 | 0 | NA | NA | |||
| THE-288-60 | 2-7/8 | 73 | 60 | 1524 | 0 | NA | NA | |||
| THE-288-84 | 2-7/8 | 73 | 84 | 2134 | 0 | NA | NA | |||
| THE-288-36-14 | 2-7/8 | 73 | 36 | 914 | 1 | 14 | 356 | |||
| THE-288-60-14 | 2-7/8 | 73 | 60 | 1524 | 1 | 14 | 356 | |||
| THE-288-60-12-14 | 2-7/8 | 73 | 60 | 1524 | 2 | 12.14 | 305.356 | |||
| Capacities Helical Torque Anchors | ||||||||||
| Shaft Size | Installation Torque Factor (k) | Axial Compression Load Limit | Ultimate Limit Tension Strength | Useable Torsional Strength | Practical Load Limit Based Torsinnal Strength | |||||
| lb | kg | lb | kg | lb | kg | |||||
| 1-1/2 Square Bar | 9-11 | 70000 | 31751.47 | 70000 | 31751.47 | 7500 ft-lb | Load limited to the rated capacity of the attachment and the lateral soil strength against the shaft | |||
| 1-3/4 Square Bar | 9-11 | 100000 | 45359.24 | 100000 | 45359.24 | 10000 ft-lb | ||||
| 2-1/4 Square Bar | 10-12 | 200000 | 90718.47 | 200000 | 90718,47 | 23000 ft-lb | ||||
| 2-7/8 Tubular- 0.262*Wall | 8-9 | 100000 | 45359.24 | 100000 | 45359.24 | 9500 ft-lb | 80000 | 36287.39 | ||
| 3-1/2 Tubular - 0.300*Wall | 7-8 | 115000 | 52163.12 | 120000 | 54431.08 | 13000 ft-lb | 97000 | 43998.46 | ||
| 4-1/2 Tubular - 0.337*Wall | 6-7 | 160000 | 72574.78 | 160000 | 72574.78 | 22000 ft-lb | 143000 | 64863.71 | ||