Aluminum Reg T27 Flap Disc, 4 1 2 in dia, 36 Grit, 7 8 Arbor, 13300 RPM no checkout particularly where minor oil contamination particularly where minor oil contamination of the flange surfaces can occur Particularly suitable for use on aluminum substrates where very good adhesion is achieved Provides resistance to low pressures immediately after assembly Roughening Surfaces Arbor Diam [Nom] 1 2 in 3 8 in Big Catalog YES Brand Weiler Bristle Diam 0 Abrasive Material Aluminum Oxide Anchor Brand Catalog NO Applicable Materials Aluminum [Nom] 4 1 2 in Grit 36 Hazmat NO Jan San Catalog NO Prop 65 YES Quarterly Flier NO Special Order NO Speed [Max] 13300 RPM Stock Status In Stock Tool Shape Type 27 Type Depressed Center Flap Disc UNSPSC 31191506 Welding Catalog NO