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Old April 16th, 2011, 05:55 PM   #1
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Default cutting 1/8" steel?

Im working on building some bumpers for my truck and im wondering what to use to cut the steel. I tried a metal cutting blade for the circular saw and it works but it is slightly warping the metal. Any ideas on how to prevent that or another way to cut it?
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Old April 16th, 2011, 05:57 PM   #2
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Buy a Metabo and get some Razor cutting wheels.
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Old April 16th, 2011, 06:10 PM   #3
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Cut off wheels on a 4.5" grinder. Both are pretty cheap at home depot or sears.
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Old April 16th, 2011, 06:10 PM   #4
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Buy a Metabo and get some Razor cutting wheels.
x2
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Old April 16th, 2011, 06:11 PM   #5
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Cut off wheels on a 4.5" grinder. Both are pretty cheap at home depot or sears.
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Old April 16th, 2011, 06:17 PM   #6
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i use a metabo 6" grinder and cut off wheels
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Old April 16th, 2011, 06:53 PM   #7
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i use a metabo 6" grinder and cut off wheels
Or if your sack is really heavy, a 4.5" grinder, remove the guard, and use a 6" cut-off wheel. The 6" will cut faster and use less wheels, look for the .035" rather than the .045 thick wheels.
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Old April 16th, 2011, 07:08 PM   #8
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I gotta ask, you are building bumpers but don't know how to cut steel? Please post pics of progress.
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Old April 16th, 2011, 07:12 PM   #9
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I gotta ask, you are building bumpers but don't know how to cut steel? Please post pics of progress.


this is bashing... but funny haha
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Old April 16th, 2011, 07:13 PM   #10
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Or if your sack is really heavy, a 4.5" grinder, remove the guard, and use a 6" cut-off wheel. The 6" will cut faster and use less wheels, look for the .035" rather than the .045 thick wheels.
the nice thing about metabo grinders is the 6" grinder is the same size as the 4.5's. just a bigger guard and soft start. they are expensive but they last a long time. i would never go back to a 4.5 grinder after using the 6.
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Old April 16th, 2011, 07:16 PM   #11
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I gotta ask, you are building bumpers but don't know how to cut steel? Please post pics of progress.
dick
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Old April 16th, 2011, 07:16 PM   #12
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I gotta ask, you are building bumpers but don't know how to cut steel? Please post pics of progress.
Hell, I want video if he can make 1/8" "warp" from the heat with a circular saw.
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Old April 16th, 2011, 09:34 PM   #13
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I gotta ask, you are building bumpers but don't know how to cut steel? Please post pics of progress.
I know how to cut steel you @ss. I was just wondering if anyone had any better ways or tips on doing it. I will be sure to post pics of the finish bumper. It wont look like sh!t either like you may be thinking. Everything i do on my truck I do right. If I dont like it I start over.

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Hell, I want video if he can make 1/8" "warp" from the heat with a circular saw.
Well i thought it was but I realized it is actually the whole sheet of steel i have that is warped slightly. Im now using my 4.5in angle grinder and it is going much better.
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Old April 16th, 2011, 09:55 PM   #14
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I use my credit card to cut metal.
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Old April 16th, 2011, 09:58 PM   #15
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I heart my Metabo.
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Old April 16th, 2011, 11:23 PM   #16
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Youíll have to try several ways and decide what works best for you. It also depends on what you are cutting, flat plate or formed metal, straight or curved cut, on the bench or on the vehicle, etc. When a plasma is not available I like the sawzall for just about everything, even thin body sheetmetal. With the proper tooth count for the job the super sawzall blades last much longer than any others Iíve tried. I find the saw is not that much slower than the cut off wheels and it is much more maneuverable. The really thin cut off wheels work well but wear down too fast and make a lot of dust, especially when working in a confined space like a garage. The thicker wheels are a waste of time for cutting.
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Old April 16th, 2011, 11:37 PM   #17
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I'll admit to being a sissy, but when you get the metabo get some dust masks as well. I got tired of blowing crap out of my nose for a week after building my front bumper.

Why are you using 1/8", or is this some type of a skin over thicker wall tube?
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Old April 16th, 2011, 11:47 PM   #18
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X2 on the dust masks.
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Old April 16th, 2011, 11:58 PM   #19
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If your using a circular saw, I assume your cutting sheet- I use a sabre saw with metal blades.
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Old April 17th, 2011, 01:32 AM   #20
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I'll admit to being a sissy, but when you get the metabo get some dust masks as well. I got tired of blowing crap out of my nose for a week after building my front bumper.

Why are you using 1/8", or is this some type of a skin over thicker wall tube?
1/8" is all i really need. I dont plan on running in to sh!t. All it really needs to do is hold my fairlead.

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If your using a circular saw, I assume your cutting sheet- I use a sabre saw with metal blades.
Yeah, it started as a 3x7 sheet. So far i like the 4.5" angle grinder the best. Im able to make the cuts fairly straight and its faster than my old circular saw.
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