Double-Thickness Premium Zirconia 4-1/2″ Flap-Discs Used on 4″ or 4-1/2″ Angle Grinders. 4-1/2″(Diameter) x 7/8″ (Arbor) Type 27 (Flat). All 4″ or 4-1/2″ Angle Grinders Will Accept a 5/8″ OR a 7/8″ Center Hole Flap-Disc. Zirconium Flap Disc Grinding Wheels. These Flap Discs Are Manufactured Using Dual Grit Snippets. The Abrasive Material is Superior Due to its Uniform Particle Size and Premium Blend of Ingredients. These Discs Exceed Other Flap Discs by Packing 45~50% More Abrasive Grit On each Snippet. In Addition, All Discs Are Manufactured on Computer Controlled Machines and Subject to Numerous Tests Which Ensure High Quality and Greater Safety. No Backing Pad Required. Blend Welds, Sand, Grind & Polish With The Same Disc. Will fit 5/8″ or 7/8″ Arbors on 4″ or 4’1/2″ Angle Grinders. (Not Recommended for Mill-Scale or Heavy Dross Removal). For Dross & Slag Removal, see AVOS® Discs. Click HERE to Read “How To Soak Off Your Dross” https://steelfxpatinas.com/shop/avos-abrasive-discs-backing-pads/
