zirconia aluminium abrasive flap disc alloyed hub backing for metal grinding

4.5" x 7/8" Premium Zirconia Flap Disc Grinding

Discs That Last Long Made from hard zirconia alumina material which lasts longer than the standard aluminum oxide abrasive material. Built for a more robust and economical grinding wheel which comes with fiberglass backing providing extra strength to the Zirconia flap disc which helps in making the disc extra durable. Kelco zirconia alumina flap disc can be applied to various metal types. It has a superior cut-rate to aluminum oxide. The abrasive is resin-coated to resist heat, and its X-weight polyester-cotton backing allows for a clean, efficient cut for light duty grinding and finishing. Main description said “ WORKPRO Metal Grinding Wheels for Angle Grinders, Zirconia Abrasive Flap Disc for Sanding, Polishing, Shaping, Type 27, 4-1/2 x 7/8-inch, 10 Pack” These are standard cheap solid material grinding wheels and not the more expensive flap discs as title says.

flap discs for metal: Industrial & Scientific

WORKPRO 20-Pack Flap Discs, 4-1/2-inch, Arbor Size 7/8-inch, T29 Zirconia Abrasive Grinding Wheel and Flap Sanding Disc, Includes 40/60/80/120 Grits 4.6 out of 5 stars 1,069 Misc. Flap discs offer right angle grinding versatility with a product that can grind and finish in a single operation. The abrasive flaps are adhered to a rigid backing plate. It is the back plate that provides stability during operation with cooler cut, less vibration and smoother finish without gouging. T29 – Conical Discs. Type 29 flap discs have their abrasive sheets have a slight angle on the face of the disc. This design allows for more aggressive grinding and is usually preferred for contouring and shaping surfaces. Using an angle grinder, T29 flap discs should be used from a 15-25° angle from the surface. Aluminum Flap Discs for Soft Metal