PFERD POLIFAN flap disc Z SGP CURVE STEELOX (EDP: 66990) // Radial type // Dia. 5 inch // Bore 7/8 inch // max. RPM 12,200 // Grit size 40 // The patented flap disc POLIFAN-CURVE has been specially developed for work on fillet welds. It is the only flap disc in the world featuring a radial configuration of flaps allowing for grinding with all surfaces of the disc. High-performance flap disc for maximum stock removal on steel and stainless steel (INOX) // Recommendations for use: For fillet weld radii > 3/16''or throat thickness ≤ 1/4'' with 90° joint, width at the radius: 7/1'' // oSa – Organization for the Safety of Abrasives: PFERD voluntarily manufactures quality tools conforming to the strictest safety standards.