Helical Pier      Size inches(mm)        Torque Rating        Ultimate Capacity

Type                                                        ft-Ib(N-m)                kip(kn)

SS5                        1.50                            5,500                        55

Square Shaft         (38.1)                         (7,500)                     (245)

SS150                    1.50                            7,000                        70

Square Shaft         (38.1)                         (9,500)                     (312)

SS175                    1.75                           10,000                       100

Square Shaft         (44.5)                        (13,600)                    (445)

SS200                    2.00                           15,000                       150

Square Shaft         (50.8)                         (20,300)                    (668)

SS225                    2.25                           20,000                      200

Square Shaft         (57.2)                         (27,100)                   (890)

    278                    2.875                          5,500                         60

Hollow Shaft          (73.0)                        (7,500)                     (267)

HS                         3.50                           11,000                        77

Hollow Shaft         (88.9)                         (14,900)                   (343)