Qingdao Wangbaoqiang Industry Co.,Ltd is one of the famous steel ground spikes manufacturers and suppliers,Website:http://www.qdwangbq.com, welcome to buy or wholesale customized, cheap and high-quality steel ground spikes from our factory.Detailed information?1.Outer dia.: 114mm2.Length: 1800mm3.Material:ISO630 Fe A �/ DIN EN10025 Fe 360 B4.pipe thickness:3mm-4mm5.Surface finish: Deep galvanize to DIN EN ISO 14616.Packing: steel pallet and stretch film7.Applications:foundation system for solar mounting system,fences,wooden house,advertising boards, flag poles,etc.8.Soil conditions:clay, gobi desert, gravel, need pre-drilled in the hard soil conditions and rocks.9.Drawing force: 32.5KN10.Loading power:55.5KN11.Horizontal torque force:15.5KN12.Advantage: easy installation by spiral piling machine without digging and concrete,much convenient, cost effective, time-saving and environmentally friendly than concrete foundations. could be quickly and easily erected and removed without any waste