Square Shaft Anchors (1-3/4)

Material: Hot-Dip Galvanized Steel Per ASTM A153 & CSA G164

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
Shaft Size	Installation Torque Factor (k)	lb	lb	Useable Torsional Strength	lb
1-1/2 Square Bar	9-11	70 000	70 000	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	100 000	10000 ft-lb
2-1/4 Square Bar	10-12	200 000	200 000	23000 ft-lb
2-7/8 Tubular - 0.262*Wall	8-9	100 000	100 000	9500 ft-lb	80 000
3-1/2 Tubular - 0.300*Wall	7-8	115 000	120 000	13000 ft-lb	97 000
4-1/2 Tubular - 0.337*Wall	6-7	160 000	160 000	22000 ft-lb	143 000