Norton 4-1/2" x 5/8-11 Abrasive Flap Disc 60 Grit Red Heat Type 29 R961 5 Pack BT40 Frames are liberally proportioned and

Frames are liberally proportioned and heat-treated for maximum strength

plus the highest stock removal on flat surfaces

921″  Coating TiAlN  Thread Cutting Part Length (THL) 0

improves chip flow and increases tap lubricant retention

TIN COATING - 4 FLUTE

Norton 4-1/2" x 5/8-11 Abrasive Flap Disc 60 Grit Red Heat Type 29 R961 5 Pack BT40 Frames are liberally proportioned andNORTON ABRASIVE FLAP DISCS 5 PACK Norton Abrasives Flap Disc 36157 4 1 2 x 5 8 11 60 Grit Red Heat R961 Fiberglass Type 29 Flap Disc Manufacturer Product Line: Norton Red Heat R961 Norton Part Number 36157 Norton UPC 63642536157 Flap Disc Size: 4 1 2x5 8 11 Flap Disc Grit: 60 Grit Flap Disc Max RPM: 13,300 Flap Disc Density: Standard Flap Disc Type: Type 29 Conical Flap Disc Spec Grain: R961 Ceramic Alumina Zirconia Alumina Flap Disc Backing Plate: