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DaddyScholz 7.2K Views
Sep 27, 2021 12:23 AM

DEWALT Flap Disc, Zirconia, 4-1/2-Inch x 7/8-Inch, 80-Grit (DW8309) - $3.49

$3.49

$15

76% off
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Deal Details
Amazon.com [amazon.com] has DEWALT Flap Disc, Zirconia, 4-1/2-Inch x 7/8-Inch, 80-Grit (DW8309) for $3.49, regular price is $14.58. Shipping is free with Prime or on orders $25+.


These things are great for sharpening lawn mower blades, taking paint or rust of metal objects, etc.

About this item:
Zirconia grit enables 3X faster material removal than fiber resin metal sanding discs
Premium abrasive cloth provides up to 15 X longer life than fiber resin metal sanding discs
Type 29 fiberglass backing provides grinding angle of 20-25 degrees

https://www.amazon.com/gp/product...UTF8&psc=1
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Deal Details
Community Notes
About the Poster
Amazon.com [amazon.com] has DEWALT Flap Disc, Zirconia, 4-1/2-Inch x 7/8-Inch, 80-Grit (DW8309) for $3.49, regular price is $14.58. Shipping is free with Prime or on orders $25+.


These things are great for sharpening lawn mower blades, taking paint or rust of metal objects, etc.

About this item:
Zirconia grit enables 3X faster material removal than fiber resin metal sanding discs
Premium abrasive cloth provides up to 15 X longer life than fiber resin metal sanding discs
Type 29 fiberglass backing provides grinding angle of 20-25 degrees

https://www.amazon.com/gp/product...UTF8&psc=1

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9 Comments

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Sep 27, 2021 1:36 AM
1.3K Comments
Joined Jan 2010
xenidusSep 27, 2021 1:36 AM
1.3K Comments
Dewalt tools = A+

Dewalt Accessories (bits, sanding pads etc) = C- to D range

They notoriously score at the bottom of the barrel for "cost per performance" metrics on Project Farm Tests: https://www.youtube.com/channel/U...-wuOg_p0Ng

They got spanked pretty bad for this massive sandpaper show down as well: https://www.youtube.com/watch?v=NZDCRFi8dKY

Not the same product, but I bet it is the same manufacturing process.

Just my 2 cents...
2
Original Poster
Sep 27, 2021 1:41 AM
355 Comments
Joined Nov 2012
DaddyScholz
Original Poster
Sep 27, 2021 1:41 AM
355 Comments
Quote from xenidus View quoted comment :
Dewalt tools = A+

Dewalt Accessories (bits, sanding pads etc) = C- to D range

They notoriously score at the bottom of the barrel for "cost per performance" metrics on Project Farm Tests: https://www.youtube.com/channel/U...-wuOg_p0Ng

They got spanked pretty bad for this massive sandpaper show down as well: https://www.youtube.com/watch?v=NZDCRFi8dKY

Not the same product, but I bet it is the same manufacturing process.

Just my 2 cents...
I have sharpened countless lawnmower blades and cleaned up all sorts of metals and I am still on my first disk.
I couldn't be happier, even if I had paid full price...
Sep 27, 2021 1:51 AM
402 Comments
Joined Mar 2007
texasranger556Sep 27, 2021 1:51 AM
402 Comments
If you need enough to justify the shipping, LVA is the way to go https://www.lehighvalleyabrasives...fd4-5-40zf
Pro
Sep 27, 2021 1:52 AM
4.3K Comments
Joined Jan 2011
Loudog504
Pro
Sep 27, 2021 1:52 AM
4.3K Comments
I've never had any issues with dewalt grinder disk. But not that i use them all day, just here and there.

NOW sand paper on the other hand... Stay away unless its dirt cheap.
Pro
Sep 27, 2021 4:23 AM
1.1K Comments
Joined Sep 2003
rockstarjeremy
Pro
Sep 27, 2021 4:23 AM
1.1K Comments
Is this good on feet?
1
Sep 27, 2021 4:24 AM
247 Comments
Joined Dec 2004
JeppedySep 27, 2021 4:24 AM
247 Comments
Dead. Deal no longer available
Sep 27, 2021 4:27 AM
154 Comments
Joined Dec 2016
nugget-tnSep 27, 2021 4:27 AM
154 Comments
Quote from rockstarjeremy View quoted comment :
is this good on feet?
😂 😆 😝
1

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Sep 27, 2021 4:44 AM
12 Comments
Joined Sep 2017
ScottLooSep 27, 2021 4:44 AM
12 Comments
Quote from Jeppedy View quoted comment :
Dead. Deal no longer available
Gone, fast
Sep 27, 2021 5:08 AM
470 Comments
Joined May 2011
HPPTTSep 27, 2021 5:08 AM
470 Comments
60 grit version available at $3.8

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