Item #: 421-42372. Poly-cotton heat treated backing Recommended for aggressive use and heavy duty applications Special optimized resin bond offers maximum cutting capacity, strong edge stability and long life Active grinding agent provides cool cutting with light pressure Excellent on carbon and stainless steel Diameter = 4 1/2 inTool Shape = Type 29Arbor Arbor Thread - TPI or Pitch = 5/8 in - 11Grit = 40Speed = 13300 rpmAbrasive Material = Zirconia AluminumHub Applications = Deburring, Rust Removal, Deflashing, SnaggingApplicable Materials = Ferrous & Non-Ferrous Metals, Stainless Steel, High Tensile Alloys, Woods, PlasticsUsed With = Right Angle Grinder/SanderType = Type 29 w/Hub Customers also search for: Tools and Storage\Abrasives\Coated Abrasives\Coated Flap Disc Abrasives Discount 4-1/2" x 5/8"-11 Z3-40 T29xl 100% Za Flap Disc , Buy 4-1/2" x 5/8"-11 Z3-40 T29xl 100% Za Flap Disc , Wholesale 4-1/2" x 5/8"-11 Z3-40 T29xl 100% Za Flap Disc , 655332423722, 42372, Coated Flap Disc Abrasives