Spiral wire fan guard is made of low-carbon steel wire Q195 or stainless steel wire 304, ss201 through cutting , bending , welding and surface treatment. Using auto-spiral fan guard manufacturing machine, the spiral fan finger guard wire will be cut and weld automatically.Our round spiral fan grill guards are extensively used in different electrical industries for covering blades of flat or cone type fans. These fan grill covers can withstand high air speed and temperature.