This standard size grounding screw are 1600*76, the flange is 220*10mm.
work together with grounding machine, it could enable the fast installation for big solar farm.
the grounding screw are suitable for most following land:
1) Topsoil: Sand, gravel,silt.
2) Flowing sand: Liquid and muddy ground water.
3) Friable soil: Loose sand, Gravel or mixed.
4) Middle heavy friable soil: Sand, gravel, silt and clay.
5) Difficult soils: More than 30% are stone which diameter bigger than 63mm.
6) Moveable chisley soil: With rock, fay, crispness, slate, rotten soil.
7) Moveable stereoplasm rock: little rock with high structural strength jointed and weather-defined.
Solar Mounting Grounding Screw-K160076F