10 Best Grinding Discs

Updated January 2026

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1.

Neiko 11257A High Density Jumbo Premium Zirconia Flap Disc | 4.5" x 7/8-Inch

9.7

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2.

4.5 Inch Flap Discs by LotFancy - 20PCS 40 60 80 120 Grit

9.4

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3.

S SATC Grinding Wheel Sanding Discs 20 Pack Flap Disc 4.5 Grinding Wheel

9.3

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4.

KSEIBI 641006 4-1/2-Inch by 1/4-Inch Metal Stainless Steel INOX Grinding Disc Depressed Center

9.0

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5.

WORKPRO 20-Pack Flap Discs, 4-1/2-inch, Arbor Size 7/8-inch, T29 Zirconia Abrasive Grinding Wheel

8.7

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6.

Katzco 25 Pieces - 3 Inch 80 Grit Roll Lock Sanding and Grinding

8.4

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7.

4.5" x 7/8" Premium Zirconia Flap Disc Grinding Wheel 40 Grit Type 29-10

Benchmark Abrasives

8.2

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8.

KSEIBI 686008 Aluminum Oxide 4 1/2 in Auto Body Flap Disc Sanding Grinding

7.6

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9.

Katzco 50 Pieces - 2 inch 80 Grit Roll Lock Sanding and Grinding

7.6

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10.

Katzco Roll Lock Sanding and Grinding Discs - 50 Pieces - 2 inch

7.0

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