









DEWALT DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc
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ClLy
> 3 dayI like these but the life span of good grinding seems to be short for the price paid. The benefit though is the ability to grind without grinding hard flat points into the material. With practice you can follow the natural contour of the metal you are grinding. Use these when you want to shape or clean off the surface; used the solid grinding wheels when you need to grind down to get the final shape before using these disks.
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Rebecca
> 3 dayExcellent on fiberglass. Really cuts through so be careful. I found controlling it was easy after a little practice. Lasts long time.
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JD
Greater than one weekGreat flap disc. I was able to smooth out the surfaces. Just have to make sure you constantly move or else you will feel the surface uneven. Does the job perfectly.
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James Young
> 3 dayHave gone through a few projects using this flap discs. These discs cut through rust with no pressure and will cut through mill scale with a few passes.
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McLean
> 3 dayDeWalt
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netzien
> 3 dayI use these on fiberglass etc, they are great at removing material with great control. They last a long time.
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Prof. Bertha Kemmer
> 3 dayThese are excellent.
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Wilfredo Mercado
> 3 dayAs expected. does a good job, holds up well and lasts long. Highly recommended.
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RT
> 3 dayGreat grinding/sanding flap disk. Long wear.
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Freedom V.
> 3 dayThese disks work well. Dewalt made a good, solid product