5" Angle Grinder

   / 5" Angle Grinder #1  

bigtiller

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Joined
Feb 1, 2006
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6,366
Location
central Iowa
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John Deere 2720 John Deere 3039R John Deere Z545R
I decided I need 1 or 2 additional angle grinders and I am wondering if anyone has moved up to the 5" models from the 4.5" size. I need one that i can really lean into when grinding and one that will work a little faster than the 4.5". I don't want to get into the big 7" ones because of the price.

Are the 5" ones worth the extra money?
 
   / 5" Angle Grinder #2  
If you want one you can lay on, look at the amps more than the size.

5" are nice cause sometimes that bigger wheel or cutoff disc gets areas a 4.5 won't. That's the only advantage I see.

I have 4.5 grinders that are 4.5a, 6a, 7a, 9a, and a Milwaukee that is 11a.

My only 5" is 9a.

Also have a metabo 6” at 12.2a

Look at 6” grinders. Same size as the 4.5 and 5 inch, but more power.
 
   / 5" Angle Grinder #3  
If you want to lean into a grinder get at least 10 amps and the 39.95 special isn't the one you want even it's 15 amps.
 
   / 5" Angle Grinder #4  
I have a big 7" one that you can lean into. I don't use it very often. I much prefer to work a little longer with my 2 pound air grinder vs using that 15 pound behemoth.
 
   / 5" Angle Grinder #5  
I'm with Arc and LD on this... need the power to lean on a grinder. A 5in will not give you necessarily more than a 4.5in... look at the amps comparing 110v models. Looking at the label for amperage is about the first thing I do when evaluating electric tools.
 
   / 5" Angle Grinder #6  
+1 on the Metabo bought at a rigging company auction for 60.00. Used as a grinder. Other brands get the wire brushes.
 
   / 5" Angle Grinder #7  
I can lean into my Nitto Kohki 4 1/2"" angle grinder. One horse power.
Didn't feel like going out to the shop to snap a pic but here's a link.

Just noticed its discontinued....
Nitto Kohki - MAG-45 / 50 Right Angle Grinders

Terry
 
   / 5" Angle Grinder #8  
   / 5" Angle Grinder #10  
Wow, 30cfm. Better have a big compressor or you ain't grinding long.
I have a 100 gallon compressor with about 20 CFM, and you still ain't grinding long. Unless you have a big diesel compressor or something similar that would be about worthless. I don't think you could get there with 50 amp 220. That is solidly in 3 phase territory.
 

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