4.5" cutting discs, grinding wheels, and flap discs... what works best for you? - Page 2 - JeepForum.com
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Go Back JeepForum.com > General Technical Discussions > Fabrication Shop > 4.5" cutting discs, grinding wheels, and flap discs... what works best for you?

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Unread 03-17-2011, 07:16 PM   #16
BESRK
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I only use wire wheels/cups to remove plasma dross and to clean up welds.

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Unread 03-18-2011, 03:19 AM   #17
KMD
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Roark supply and the welding shop for all my abbrasive needs.
Roark supply has some great customer service and they are a jeep forum suporter. Great prices and fast shipping to boot.
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Unread 03-18-2011, 04:06 AM   #18
monkers
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I got 4 or 5 grinders (couple Bosch couple Dewalt) and I have one set up with a Norton 1/4" thick grinding wheel, one with a flap disc (norton) on with a cutoff disc (dont know the brand) one with a knotted cup and one with a flat brush......i got sick of changing crap around all the time. Ive had good luck with Norton, and I love the flap wheels, find myself using them more and more.....very rarely use the cutoff wheel, i like to cut expanded metal with it, and use the wire brushes alot, the knotted ones hold up well it seems
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Unread 03-18-2011, 07:45 AM   #19
mikebyn
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dewalt cut disk work the best for me, ive only used hf flap disk b.c I bought so many and I had a guy give 20-30 grinding wheels and i just throw them on i dont even look at the brand
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Unread 03-18-2011, 07:46 AM   #20
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and i also use more then one angle grinder one with cutting wheel one typically with flap disk
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Unread 03-18-2011, 08:22 AM   #21
00JGC00
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I bought a HF die grinder so I could get into areas that the angle grinder couldn't reach. Only prob is that the die grinder is 25K RPM's and the highest RPM wire brush I could find was 12.5 RPM's! Do you have to have a variable speed tool to be able to use those things?? I've never used a flap disc before, do those have a max RPM? I didn't see that they did.
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Unread 03-18-2011, 08:50 AM   #22
hendu3270
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I've always used the Dewalt disks at Lowes (grinder and cutting) and never even heard of the flap disks until this thread. (yes, I live under a rock!). Anyways, I figured I'd try them out but couldn't find any to fit my grinder. It's a Black and Decker that I bought maybe 12 years ago and needs a disk with a 5/8" diameter hole in it. The big box stores had screw on types and one with 7/8' hole and they were all around $5. I looked online and found a place called Leigh Valley tools and they had the ones I needed and they were 1.89 each. I picked up 10 just in case I liked them and I can now say Hell Yeah!! These things are awesome. They make quick work of spatter on my table and around welds and leave a nice smooth finish on the table that the grinding disks could never do.
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Unread 03-18-2011, 01:39 PM   #23
jpony645
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Just placed my first order with Lehigh Valley. Couldn't see paying almost $9.00 each for flap disks from Lowe's so I figured I'd give these a shot. I'll let you know how they do.
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Unread 03-18-2011, 01:42 PM   #24
hendu3270
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Quote:
Originally Posted by jpony645 View Post
Just placed my first order with Lehigh Valley. Couldn't see paying almost $9.00 each for flap disks from Lowe's so I figured I'd give these a shot. I'll let you know how they do.

There ya go! I had the name wrong. LeHigh Valley is the name. I figure even if they don't last quite as long others, with the low price you still come out ahead.
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Unread 03-18-2011, 03:19 PM   #25
jpony645
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Quote:
Originally Posted by hendu3270 View Post
There ya go! I had the name wrong. LeHigh Valley is the name. I figure even if they down't last quite as long others, with the low price you still come out ahead.
There stuff is supposedly pretty good. We'll see if it any better than Harbor Freight.

Wylaco and Roark Supply both have some pretty good prices too. I'll try them next.
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Unread 03-21-2011, 12:13 PM   #26
jpony645
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Just wanted to update this........I tried out my new discs from Lehigh Valley yesterday and they are excellent. I got the .045 SAIT cutting discs and those things are like a hot knife through butter. MUCH better(and cheaper at $1.30 each) than the Dewalts I was using previously.

I cut some 1/4" plate with one and it never broke, unlike the Dewalts.
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Unread 03-21-2011, 01:44 PM   #27
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Quote:
Originally Posted by jpony645 View Post
Just wanted to update this........I tried out my new discs from Lehigh Valley yesterday and they are excellent. I got the .045 SAIT cutting discs and those things are like a hot knife through butter. MUCH better(and cheaper at $1.30 each) than the Dewalts I was using previously.

I cut some 1/4" plate with one and it never broke, unlike the Dewalts.
Link??
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Unread 03-21-2011, 01:48 PM   #28
jpony645
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Originally Posted by mikebyn View Post
Link??
These are the cut-offs i got. http://www.lehighvalleyabrasives.com...ainless/Detail
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Unread 03-21-2011, 04:39 PM   #29
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Quote:
Originally Posted by 00JGC00 View Post
I bought a HF die grinder so I could get into areas that the angle grinder couldn't reach. Only prob is that the die grinder is 25K RPM's and the highest RPM wire brush I could find was 12.5 RPM's! Do you have to have a variable speed tool to be able to use those things?? I've never used a flap disc before, do those have a max RPM? I didn't see that they did.
I use a small wire wheel on a 90 deg air die grinder also and is not very use full if you lower the air pressure on it, The wheels do get thin fairy quick but they work great for cleaning welds in lots of areas. You can also chuck it up in a air drill and it would work fine and last longer.

Safety glasses & full face shield is your friend with a wire wheel.
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Unread 03-21-2011, 04:54 PM   #30
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I have noticed with the harbor freight grinding wheels that they are not as smooth and they take chunks so
I tend to use the flapper more which makes that wear out quicker. When my HF discs wear out I will spend a little bit more for a better brand.
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