4-1/2" Polifan Special Line SGP-Curve Coated Flap Disc, Zirconia Alumina, 40 Grit, 13300 RPM, Coarse Grade, Fiberglass

Tough and aggressive " removes scale and bead from all metals: steel, stainless steel (INOX), aluminum and alloys. Works faster than grinding wheels without the risk of undercutting the workpiece. Precise grinding out of fillet welds provides a superior surface finish. Smooth finish allows easy visual inspection for defects, such as porosity and inclusions. Ideal for repair applications to remove defects without damage to adjacent areas. Leaves ample room for new weld bead. Excellent tool life, including the radius edge of the disc. Multi-purpose " may be used as a conventional flap disc, and also for underhand applications using the top of the disc.