The Sand Star 4-1/2" Type 29 Zirconia Flap Disc w/o Hub is built for aggressive grinding, weld removal, and rapid stock removal in demanding fabrication environments. Manufactured with premium zirconium abrasive, this flap disc provides exceptional cutting performance, long service life, and consistent results on steel, stainless steel, and other ferrous metals. Its Type 29 angled flap design maximizes surface contact for efficient grinding and blending, while the standard 7/8" arbor fits most angle grinders requiring a non-threaded mounting configuration. The coarse 40-grit abrasive is ideal for heavy material removal, weld cleanup, beveling, and surface preparation. Sold in convenient 10-pack boxes. Features • Premium zirconium abrasive for aggressive cutting and extended disc life • Type 29 angled flap design for maximum material removal • Standard 7/8" arbor fits most angle grinders • Coarse 40 grit for rapid stock removal and weld grinding • Ideal for beveling, deburring, and surface preparation • Maximum operating speed of 13,300 RPM • Excellent performance on steel and stainless steel • Sold in convenient 10-pack boxes Specifications Product: Sand Star Zirconia Flap Disc w/o Hub Disc Diameter: 4-1/2" Arbor Size: 7/8" Disc Type: Type 29 Grit: 40 Maximum RPM: 13,300 Abrasive Material: Zirconium Package Quantity: 10 Flap Discs per Box Applications Ideal for: • Heavy Weld Grinding • Weld Removal • Surface Preparation • Deburring • Edge Beveling • Rust Removal • Structural Steel Fabrication • Stainless Steel Fabrication What's Included • Ten (10) Sand Star 4-1/2" × 7/8" Type 29 Zirconia Flap Discs w/o Hub (40 Grit)
