4-1/2" X 7/8" - Kelco Brand High Density Flap Disc - Zirconia Alumina

High Density, Premium-Quality Zirconia Alumina Flaps, Fiber Backing Flap Discs Thick, high density disc contains 40% more material than standard flap discs to deliver longer life and fewer disc changes Made of hard zirconia alumina material which lasts longer than standard Zirconia abrasive material, built for a more robust and economical grinding wheel Exclusively designed for Welders, Iron workers and Fabricators Contaminant Free: Less than 0.1% Iron, Sulfur and Chlorine - will NOT cause after-rust Works well with: Stainless Steel, Hard Steel, Titanium All Kelco flap discs are manufactured with hard-pressed flaps. A standard flap disc with non-pressed flaps tends to “chatter” during the grinding process, generating vibrations and resulting in the grit pulling away from the mounting prematurely. Hard pressed discs allow for the following: Regular grinding Maximum grinding capacity Longer service life (2-3 times the longevity of non-pressed flaps) Minimized risk of flap