I have found the 7" hf grinders are pretty good , but for me in 4.5" the matbos are unbeatable, on the cheap side the bosh units are pretty good. . I have been doing metal work for 15 years a good 4.5" grinder and a basic good mig welder you can do All most any thing .
Sent from my iPad using Tapatalk, hobbiest ,Hobart 140 mig welder, Hobart ac/dc stick, miller 250 sycrowave tig, thermal dynamics plasma, Chicago electric 180 mig ( modified of course) , Powermatic/Everede mill.