High-Speed & Safety Rated: Built for speed with a max RPM of 13,300 and T29 beveled edge for aggressive yet precise grinding., Hole size: 7/8 (22., 23mm), Diameter: 4-1/2 (115mm). NEIKO 11142A 10 Pack Zirconia Flap Discs 4-1/2 for Angle Grinder, 40 Grit T29 Grinding Wheel, 7/8 Arbor, 4.5 Inch for Wood & Metal Sanding 800 bought in past month Achieve consistent, aggressive grinding with less pressure. Buy the DeWalt DWA8208 Flap Grinder Discs, Type 29 ~ 4 1/2 | Hardware Type 29 Beveled Flap Disc UPWOOD 10 Pack 4-1/2" X 7/8" Extended Flap Ceramic Discs, Type 29 40 Grit Heavy Duty Disc Handles deburring, weld grinding, surface prep, and hardened steel with ease. 4-1/2" x 5/8"-11 Sait Ovation Ceramic Flap Discs - 78321 | Tanner Versatile Applications: Perfect for stainless steel, cast iron, and non-ferrous metals. Its hybrid flap layout increases edge strength, making it ideal for heavy-duty grinding jobs
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