13 x 457 mm Corundum Zirconia Sanding Belts, Each 40 Grit for Black

sanding belts: 20 x 40 grain size sanding belts, suitable for 13 x 457 mm power filing belt machines and electric files. Material - Made from brittle zirconium corundum/semi-corundum particles for fast and long sanding. Anti-static, water-washable, with additives in the resin to resist pressure. Interface - Precision made two-way belt connection, diagonal connection eliminates uneven connections, abrasive belt interface is flat, strong and resistant to breaking under pressure. suitable - when welding, non-ferrous metals are removed and sanded in the same way as ferrous metals. Particle size: different uniform grain sizes available 40/60/80/100/120/180/240/320