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Tool Talk Discussion Forum

Quality 4 1/2 Angle Grinder?

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Kendog

09-08-2005 06:18:15

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During my tractor restoration I've blown up two angle grinders running a wire wheel on them. One was no surprise - the Harbor Freight unit, and the other was a Rigid.

Now it's time to buy a real one. It needs to be ball bearings throughout, and last longer than 20 minutes. Any brand help? Thank you.

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Stan in Oly, WA

09-08-2005 22:47:09

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

Hi, Kendog

There is something to be said for Harbor Freight angle grinders, and here is what it is: At about $15 each, I can keep separate grinders set up with different disks and wire wheels. Also, when I snag the cord and pull the grinder off the work bench so it lands on the concrete floor, I don't burst into tears the way I would if it were a Milwaukee or DeWalt.

All the best, Stan

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hawaiirocky

09-08-2005 20:40:26

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I've been abusing a Milwaukee for over twenty years and it still works like new.

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MrNC

09-11-2005 09:07:54

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Re: Quality 4 1/2 Angle Grinder? in reply to hawaiirocky, 09-08-2005 20:40:26

I have used a wire wheel on my DeWalt 4 1/2" grinder for years without a bit of problem. This grinder has been used in some extremely tough conditions(even have a diamond wheel for grinding concrete) and it has never missed a beat. Here is a link to the one I am referring to that includes a picture.

Link

I was fortunate enough to find mine with a carrying case but to my knowlege they have since done away with this option. Good luck in your project and your search.
Nick

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tortmort

09-08-2005 20:02:04

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

Metabo or Milwaukee

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Kendall

09-08-2005 16:47:34

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

Do a google search on "angle grinder review" or "tool reviews", etc. I'm researching a new jigsaw and found lots of good info that way.

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J. Schwiebert

09-08-2005 14:19:54

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

We have a Bosch. It has been around for probably 15 years, It has been very good, however it has not done much wire wheel work. (90% grinding) We have a 9 inch Sears for the wire wheel and it has been O. K.

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550Doug

09-08-2005 14:12:14

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I too blew up 3 grinders on a project. I now have a 5" Makita that works fine for me, but I also invested in a variable speed buffer and I put a wire wheel on it. That gives me more control and a lower rpm for the harder spots. I found the wire wheel works best at slow rpm since it tends to loose some wire and makes the wheel unbalanced.
Hence not as much damage at the lower rpm. Good luck.

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JL Sargent

09-08-2005 11:33:49

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

Do you want the best? Check out Metalbo.
Here is an Ebay link to one for sale.

http://cgi.ebay.com/New-Metabo-WE-14-125-Plus-Variable-Speed-Angle-Grinder_W0QQitemZ7543210215QQcategoryZ42152QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

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XXXRogerXXX

09-08-2005 15:56:26

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Re: Quality 4 1/2 Angle Grinder? in reply to JL Sargent, 09-08-2005 11:33:49

I'm pretty sure the Rigid is the Metabo under a different brand name. And if it is, you are not going to find anything better than that.

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Kendall

09-08-2005 16:42:55

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Re: Quality 4 1/2 Angle Grinder? in reply to XXXRogerXXX, 09-08-2005 15:56:26

Metabo does make some RIDGID tools, but they may cut some coners on those models. I'd compare. The Metabo models may be better.

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Coldiron

09-08-2005 08:04:58

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I have a Porter Cable that has lasted longer than any of my other brands. I have learned to not press the wire wheel against the job to hard or they overheat pretty quick. I use only the twisted wire wheels which are more $$ but are cheaper in the long run. I always use eye protection too !

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09-08-2005 15:58:59

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Re: Quality 4 1/2 Angle Grinder? in reply to Coldiron, 09-08-2005 08:04:58

I agree on the PC tools... I've done some mechanic work on a variety of woodworking machinery... have seen both Porter Cable and Bosch angle grinders used as power supplies on automatic edge banding machines. Depending on the machine, there will be between 2 to 4 grinder motors used (and abused!)... in big shops, these motors are used 8 - 10 hours per day... 5 days per week. I figure if they'll stand up to that punishment, they MUST be great tools!
Regards, DL

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cj3b_jeep

09-08-2005 07:39:17

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I have a Wen I've been beating on for years and it just seems to keep going. If I were buying new, I'd buy the Milwaukee based on using one at my buddy's shop. He's on his second of them in 10 years. The first got run over by a truck and smashed to bits.

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09-08-2005 07:31:14

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

We use them to sharpen blades in a lawn mower shop, we use either Black and Decker or the Yellow ones, I think Dewalt, replace them every two years

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R Wyler

09-08-2005 07:28:49

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I would get a Makita Milwaukee or a Porter Cable. In a Makita I would be sure to get one with the metal gear houseing and not the all plastic one. They will last a long time and are worth the $$.

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john d

09-08-2005 07:18:51

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I have a DeWalt that's taken some abuse.

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Mike M

09-08-2005 07:16:18

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Re: Quality 4 1/2 Angle Grinder? in reply to Kendog, 09-08-2005 06:18:15

I have used a Milwakee alot over the years,always get the twisted knot wire brushes so the bristles stay put better.

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bjr

09-08-2005 06:23:55

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Wire Wheel Speed? in reply to Kendog, 09-08-2005 06:18:15

What is considered the proper tool, when using a wire wheel,ie 4-1/2" grinder(high speed) or a drill that turns slower? I'm needing to do a lot of wire wheelnng but the wires seem to go away with grinder driven, I appreciate advice here thanks. bjr

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larryw-tx

09-09-2005 04:14:42

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

I use a Milwaukee 5" sander-grinder 5/8 spindle. Ajustable speed of 0-11000 rpm. Cup brush works good around 5000 and don't sling out so many wires. Cat. No. 6156-20

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Slowpoke

09-09-2005 00:24:51

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

You will not find a 4-1/2" cup wire wheel to use on a drill. Probably the largest will be 2" with a 1/4" mandrel to fit the drill chuck. Maybe 3" for a flat wire wheel. The drill will be very slow compared to the 4-1/2" angle grinder. And harder to control even with a side handle. A low quality wheel (Translation: Made in China)will throw wires easily either on a grinder or drill. Twisted wires last longer but are not as flexible as straight wires. Be sure to use at least eye protection whatever you do. I got hit in the lip with a wire from an angle grinder and it felt just like a bee sting for several hours.
They also go thru clothing.

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Don L C

09-08-2005 21:14:34

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

Whire wheels bite in pretty good and most die grinders are ment for shaping or cutting disk....

Harbor Freight has several, but if you read careful some are angle grinders with 7/8" arbor and they sell stainless knotted wire wheels for them----

41/2" Angle Grinder item 91223-0cch----ea.$29.99
41/2" wire wheel item 91282-occh ----- -ea.$6.99

Phone number 800 423-2567

on line harborfreight.com

Don't hog it!!! good luck Don

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Jimmy King

09-08-2005 14:14:44

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

I used to have a wire wheel shaped like a cup for a 7inch grinder. It lasted for years, the wire was heavy, in about 1/4 inch twisted strands.

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Bill WI

09-08-2005 08:28:02

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

Use the knoted type for heavy duty and ease up on the pressure by edges and ridges. I've seen guys hog into them and chew up any brush in no time flat. I have a Milwaukee and use the off brand brushes. I've had it for years and had to tape the wires by the handle several times from the flexing, but it keeps going. They used them in the shop too, but they do wear out with use. Don't use the pressure you'd use on a 9".

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buckva

09-08-2005 07:16:00

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Re: Wire Wheel Speed? in reply to bjr, 09-08-2005 06:23:55

built a very good bench wire wheel station from an old model a rod and a 1/3 hp motor. could get small to medium parts all around the thing. When I retired I passed it on to a buddy. Now for portable wire wheel work I prefer the larger 9" grinder for the added leverage and control. Sorta look at the 4-4 1/2" stuff as a convenience,handy in some areas but still a second class tool to the 9"

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Slowpoke

09-08-2005 23:11:25

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Re: Wire Wheel Speed? in reply to buckva, 09-08-2005 07:16:00

Could you enlighten us on the bench wire wheel station you built?
Thanks

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Chuck UR

09-12-2005 05:58:11

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Re: Wire Wheel Speed? in reply to Slowpoke, 09-08-2005 23:11:25

Here's a link to a 'prep station' I built a while back -
Link
And here's one that's more sophisticated -
http://www.hobartwelders.com/mboard/showthread.php?p=147721#post147721

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Illinois Boy

09-08-2005 12:00:18

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Re: Wire Wheel Speed? in reply to buckva, 09-08-2005 07:16:00

Got a Milwaukee and a Hitachi - both very good tools. I'd also recommend Porter Cable. Stay away from Harbor Freight, unless you like pursuing refunds for your money!!

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