1-1/2'' 70,000LBS Tension Helical Anchor  
Part # Size Length # Helix Helix Dia.  
inch mm inch mm inch mm  
THA-150-36-8-10 1-1/2 38,10 36 1524,00 2 8,10 203.20,254  
THA-150-42-8-10 1-1/2 38,10 42 1066,80 2 8,10 203.20,254  
THA-150-42-10-12 1-1/2 38,10 42 1066,80 2 10,12 254,304.80  
THA-150-60-8-10 1-1/2 38,10 60 1524,00 2 8,10 203.20,254  
THA-150-66-8-10-12 1-1/2 38,10 66 1676,40 3 8,10,12 203.2,254,304.8  
THA-150-84-10-12-14 1-1/2 38,10 84 2133,60 3 10,12,14 254,304.8,355.6  
THA-150-120-8-10-12-14 1-1/2 38,10 120 3048,00 3 10,12,14 254,304.8,355.6  
THA-150-120-10-12-14-14 1-1/2 38,10 120 3048,00 3 10,12,14 254,304.8,355.6  
1-1/2'' 70,000LBS Extensions  
Part # Size Length # Helix Helix Dia.  
inch mm inch mm inch mm  
THE-150-42 1-1/2 38,10 42 914,40 0 NA NA  
THE-150-60 1-1/2 38,10 60 1524,00 0 NA NA  
THE-150-84 1-1/2 38,10 84 2133,60 0 NA NA  
THE-150-42-14 1-1/2 38,10 42 914,40 1 14 355.6  
THE-150-60-14 1-1/2 38,10 60 1524,00 1 14 355.6  
THE-150-60-12-14 1-1/2 38,10 60 1524,00 2 12,14 304.8,355.6  
THE-150-64-12-14 1-1/2 38,10 84 2133,60 2 12,14 304.8,355.6  
Capacities of 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 70 000 31 751,47 70 000 31 751,47 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 9-11 100 000 45 359,24 100 000 45 359,24 10000 ft-lb
2-1/4 Square Bar 10-12 200 000 90 718,47 200 000 90 718,47 23000 ft-lb
2-7/8 Tubular - 0.262*Wall 8-9 100 000 45 359,24 100 000 45 359,24 9500 ft-lb 80 000 36 287,39
3-1/2 Tubular - 0.300*Wall 7-8 115 000 52 163,12 120 000 54 431,08 13000 ft-lb 97 000 43 998,46
4-1/2 Tubular - 0.337*Wall 6-7 160 000 72 574,78 160 000 72 574,78 22000 ft-lb 143 000 64 863,71

Material-Galvanizon steel