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Norton® PowerFlex® 66254437004 R828 Center Mount Standard Density Coated Abrasive Flap Disc, 4-1/2 in Dia, 7/8 in Center Hole, P40 Grit, Extra Coarse Grade, Zirconia Alumina Abrasive, Type 27 Flat Disc

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Description

Norton® PowerFlex® Coated Abrasive Flap Disc, Center Mount Standard Density, Series: R828, 4-1/2 in Disc Dia, 7/8 in Center Hole, P40 Grit, Extra Coarse Grade, Zirconia Alumina Abrasive, Type 27 Flat Disc, Fiberglass Backing, 13300 rpm Maximum, Blue

Flap discs are versatile grinding and finishing tools with three main components - backing plate, adhesive, and abrasive flaps. The flaps wear during use continually exposing new abrasive grain. The different variations of the components provide a variety of applications, ranging from heavy stock removal to blending to finishing. Flap discs are designed for portable grinder applications and can combine the 2-step stock removal and finishing operations of depressed center wheels and fiber discs into one operation.

Specifications

Abrasive Material Zirconia Alumina
Backing Material Fiberglass
Center Hole Size 7/8 in
Color Blue
Disc Diameter 4-1/2 in
Disc Type Type 27 Flat
Grade Extra Coarse
Grit P40
Maximum Speed 13300 rpm
Series R828
Type Center Mount Standard Density

Warranty: 1 Year

Country of Origin: France

Application:
Beveling, Blending, Deburring and Stock Removal

Features

  • Quality zirconia alumina abrasive for good cut rate and life at low initial price point
  • Type 27 flat discs are designed to be used at a 0 to 15 deg angle on flat surfaces for blending and smooth finishing
  • Fiberglass resin backing plates are the most popular due to high strength, lightweight and ability to absorb vibration
  • Polyester cotton backing combination for good cut rate and finishing

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