Groundscrewisakindofdrillingpilewithscrewfordrivingunderthegroundmoreeasily.Meanwhile, thescrewincreasethecontactareasothatitgraspearthmorefirmlythanothertraditionalpostanchor.Soitcanbeusedinlooseearth, sandysoil, riasc, bedrockandthesloreeoflessthan30.
