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Picked up a Makita 9523NBH 4" Angle Grinder from the pawn shop today for $35 dollars w/ a case about around 10 assorted discs. It worked great for cutting copper pipes off of my scrap load today although i'd like to get a larger one at some point. Anyone have any other uses for an angle grinder that I may not have considered?
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I think you can use it to cut the ends off the windings of a motor so you can pry the windings out the other end. Just cut them off flush with the case.Originally Posted by beedubz
P & M Recycling - Specializing in E-Waste Recycling.
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Metal Recycling Entrepreneur
battery powered or plug in ??? just asking i just picked up a plug in one and it won't work with my cheap cig lighter power inverter ...
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Yea, for the start-up on an angle grinder or sawzall you would need around a 1200 watt. If you have a 400 or so that's only good for lighting a light.
Metal Recycling Entrepreneur
Hmmm, I was thinking the major brands were the 4.5 inch ones, but that has nearly the same specs as my chicago tools made in china 4" purchased for $15 about 7 or 8 years ago at harbor freight to grind welds(imagine that ; ) on a utility trailer project. I only realized it was a 4" when beginning to look for cut-off wheels to go on it, and according to some amazon reviews I just read on yours, 4" accessories are harder to find. I prefer name brand tools too, and they do have a better look to them when sitting amongst the other tools, but when times are lean, I'll take what I can get. You can usually get better life out of the cheaper tools if you'll do some preventative maintenance on them up front, or at least before they're shot, by putting good grease in gears and good oil on bearings etc.
Apart from what Mech said about cutting, I don't have much to add about other uses, since cutting is about the best use I have for it now. Other than cutting motor and transformer windings, which I'm better equipped to do with a metal blade in a 10" miter saw, those 4" are good for straight long cuts on metal projects, and cutting bent & rusty bolts on tear downs
Metal Recycling Entrepreneur
specs said 5 amp, i think that's about 500 watts. Start-up and under load could be a bit more
Experienced Scrapper
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I mainly use mine to cut old rusty bolts off of something. I also use it to test metals like brass and to differentiate stainless and aluminum. I guess you could use one to strip the copper pipes out of copper aluminum fin.
Made in China, Recycled in the Republic of Texas!
"When the mind fails, brute force prevails" - CTSSolutions
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I buy 4 1/2" angle grinders from HF for about 20.00. The last one I bought came with a 15 month warrenty, if it stops running for any reason I just bring it back and get a new one. HF sells 4" cut off disk and 4" grinding disk. I use mine for all kinds of things, cutting off ribbets,cut rusted or stripped screws,copper on motors or cleanning copper/aluminum radiators even cut plastic with it. This the most used tool I have except maybe my cordless screw driver.
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It's a plug in.
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I think my next power tool purchase will be a reciprocating saw.
Metal Recycling Entrepreneur
I have a 4 1/2" from Harbor Freight that I got for $10. It's fantastic for blasting through copper pipes, cutting plastic off of things, separating motors, cutting off rusty bolts/screws, and doing a quick grind to test metal.
I've been so happy with it (have had it a year, now) that I'm going to buy a couple more of them (they are always $10 with the coupons I get sent) and have one just for cutting, one for grinding, and one for sanding wheels.
Not scrapping-related, but: I also do remodeling, and these also work great for cutting tiles and blasting apart old plumbing fixtures.
Metal Recycling Entrepreneur
Cutting off screws, taking apart motors, grinding down rivots, and cutting apart large pieces of scrap like a swing set.
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6" metabo is my weapon of choice, works great at electric motors, copper pipe, cu/al fin, exhaust pipe, and much more. On grinders you get what you pay for. Id rather buy one and have it last my lifetime for personal use than go thru 10 of them.
In my line of work we spend about 4 hours of the shift cutting and grinding. At the end of the job there will be a pile of burnt up dewalts. The contractors that buy metabos for us to use you hardly ever see one burnt up.
I buy and sell all types of scrap and escrap. I buy specialty and hard to sell escrap. I buy resale items. PM me or contact me at jghilino@hotmail.com
I AM ACTIVELY BUYING ESCRAP OF ALL TYPES. BOARDS, RAM, CPUS AND MUCH MORE
Keeper of the Cooler!
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Timely this thread being brought up again, as I'll be picking one up this weekend from my Pawn shop also. No HF near me, and I hate doing mail order! Lowe's and Home Depot..want way to much for one, so I'll grab the same one I'd get at either one of those at the Pawn for much cheaper.
My buddy has it sitting waiting for me at his shop so it's all good.
Sirscrapalot - Will be grinding away this weekend..
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you can pick up a used name brand grinder and replace the brush set in it and it will run like new, a set of replacement brush's is about $8
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