23 Flap Disc Starting Recommendations by Material Material Heavy - duty / Aggressive Stock Removal Fine Finishing Carbon and stainless steel TwinFiber Type 29 TwinStar Type 27 Other ferrous and nonferrous   Charger R822 Type 29 Charger Type 27 materials Flap Disc Competitive Cross Reference Norton Dewalt Garryson Gemtex Klingspor Pferd Sait 3M Walter Weiler TwinStar Enduroflex TwinFiber Zirc + 747D Regalite Charger R822 Zirc Zirc Zirc SMT626 Polifan Saitlam F ZH 563D Quick Step Tiger, Big Cat Merit Zirc Vortec Norton R265 A/O A/O A/O Saitlam 2A Type 29   Catalog 5 Pc . 10 Pc . Size Max . RPM Std . Pkg . Spec . Order No . Price Ea . Price Ea . Price Ea . 4 x 5/8 13,000 5 R822 36 - X NOR19265 $ 10 . 45 $   9 . 93 $   9 . 41 4 x 5/8 13,000 5 R822 40 - X NOR19264 10 . 45 9 . 93 9 . 41 4 x 5/8 13,000 5 R822 60 - X NOR19263 10 . 45 9 . 93 9 . 41 4 x 5/8 13,000 5 R822 80 - X NOR19262 10 . 45 9 . 93 9 . 41 4 - 1/2 x 5/8 - 11 13,000 5 R822 24 - X NOR21291 $ 12 . 91 $ 12 . 26 $ 11 . 62 4 - 1/2 x 5/8 - 11 13,000 5 R822 36 - X NOR21290 12 . 91 12 . 26 11 . 62 4 - 1/2 x 5/8 - 11 13,000 5 R822 40 - X NOR21289 12 . 91 12 . 26 11 . 62 4 - 1/2 x 5/8 - 11 13,000 5 R822 60 - X NOR21288 12 . 91 12 . 26 11 . 62 4 - 1/2 x 5/8 - 11 13,000 5 R822 80 - X NOR21287 12 . 91 12 . 26 11 . 62 4 - 1/2 x 7/8 13,000 5 R822 36 - X NOR19270 $ 11 . 75 $ 11 . 16 $ 10 . 58 4 - 1/2 x 7/8 13,000 5 R822 40 - X NOR19269 11 . 75 11 . 16 10 . 58 4 - 1/2 x 7/8 13,000 5 R822 60 - X NOR19268 11 . 75 11 . 16 10 . 58 4 - 1/2 x 7/8 13,000 5 R822 80 - X NOR19267 11 . 75 11 . 16 10 . 58 4 - 1/2 x 7/8 13,000 5 R822 120 - X NOR19266 11 . 75 11 . 16 10 . 58 5 x 7/8 12,000 5 R822 36 - X NOR19276 $ 13 . 12 $ 12 . 46 $ 11 . 81 5 x 7/8 12,000 5 R822 80 - X NOR19273 13 . 12 12 . 46 11 . 81 7 x 5/8 - 11 8,500 5 R822 24 - X NOR19289 $ 24 . 64 $ 23 . 41 $ 22 . 18 7 x 5/8 - 11 8,500 5 R822 36 - X NOR19288 24 . 64 23 . 41 22 . 18 7 x 5/8 - 11 8,500 5 R822 60 - X NOR19286 24 . 64 23 . 41 22 . 18 7 x 5/8 - 11 8,500 5 R822 80 - X NOR19285 24 . 64 23 . 41 22 . 18 7 x 7/8 8,500 5 R822 36 - X NOR19282 $ 21 . 92 $ 20 . 82 $ 19 . 73 7 x 7/8 8,500 5 R822 60 - X NOR19280 21 . 92 20 . 82 19 . 73 7 x 7/8 8,500 5 R822 80 - X NOR19279 21 . 92 20 . 82 19 . 73