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Unread 05-03-2021, 07:07 PM   #1
jymake
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Blade for 4.5 inch angle grinder

Hello,

This is a total newbie question.

I am looking for a diamond blade for my 4.5 inch DeWalt angle grinder to cut ceramic tile. I was able to find only 4 inch blade for tile from DeWalt and not sure if this can be used on 4.5 inch grinder or not.

From internet search, I got mixed answers. I contacted DeWalt and the customer service rep said it's not recommended. However, I can't trust this answer because it just seemed absurd. DeWalt does not have any other grinder or saw that can use this 4 inch blade!! It seems stupid they don't have blades for their own product, but for other manufacturers' products.

If there is no safety issue with using 4 inch, is there any other drawback? Should I just get 4.5 inch blade from another manufacturer?

(I already have a 4.5" diamond blade, but it says it's for concrete and bricks)

Thank you so much!
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Unread 05-03-2021, 07:23 PM   #2
smifwal
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Bigger would be bad not the other way around. Bigger would hit the guard.

Here is the blade I use the picture says 5" but the description says 4.5

https://www.amazon.com/dp/B00D3OIS54...ing=UTF8&psc=1
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Unread 05-03-2021, 07:37 PM   #3
jymake
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Shawn,
Thank you! Yeah, bigger wouldn't be good.

I did find a 4.5" DeWalt on Amazon as well. Weird this one is not at HD or Lowe's or the actual DeWalt store. Maybe it's been discontinued...

Anyways, sounds like it is ok to use 4 inch blade then?

Thanks!
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Unread 05-03-2021, 08:31 PM   #4
Snets
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Just make sure it is a "dry' diamond blade, unless you plan on adding water to the mix. A 4" dry blade will work fine and is an extremely useful tool for cutting things your wet tile saw cannot, including finishing those inside corner cuts. Pay attention to the rotation of the blade and grind away from the finished side of the tile where possible for best results when grinding the edge of a tile.

Oh, and this is not a recommendation but the first thing removed from my grinder was the guard......and safety glasses are a must.
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Unread 05-04-2021, 12:20 PM   #5
jymake
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Got it. Thank you!
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Unread 05-04-2021, 08:25 PM   #6
Tool Guy - Kg
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It’s kind of eye rolling that the rep from DeWalt said it’s not recommended to use a smaller 4” blade in a 4.5” grinder...

....because....when the first manufacturer put a 4.5” grinder on the market several years ago, the other manufacturers rushed to make a slightly bigger guard, put it on their existing 4” grinders and pronounced that they had a 4.5” grinder. The only difference between many of the 4 and 4.5” grinders is the guard size.
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Unread 05-04-2021, 10:39 PM   #7
cx
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What Goldstein said about the 4" to 4 1/2" grinders is true also for 4 1/2" to 5" grinders from at least one manufacturer (Makita). Same tool, different guard.

My opinion; worth price charged.
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