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Need grinder recs for building a backyard shed - what should I get?

2/9/2026 11:28:00 AM #1
WrenchWendy646
WrenchWendy646
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Hey everyone! I'm planning to build a 10x12 shed in my backyard this summer. I've got most of the tools, but I'm not sure what kind of grinder I should get for cutting metal brackets and smoothing out rough edges on the framing. I'm on a bit of a budget but want something that'll last. Any suggestions? Also, is corded or cordless better for this kind of project? Thanks!
2/9/2026 12:41:00 PM #2
ContractorCarl789
ContractorCarl789
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Wendy, for a shed build you'll want a solid 4-1/2" angle grinder. Go corded - Milwaukee or Makita make reliable ones that won't break the bank. I've restored three barns using the same Milwaukee grinder for years. Get a pack of cutoff wheels for the brackets and some flap discs for smoothing wood/metal. Don't cheap out on safety gear either - full face shield and gloves are non-negotiable. Trust me, I've seen what happens when people skip that part.
2/9/2026 2:48:00 PM #3
SawDustSteve232
SawDustSteve232
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Carl's right about corded for sustained power, but if you want precision (which you should), consider a variable speed model. When I built my cabinet shop, I used a Metabo with speed control - lets you dial it down for delicate work on hardware brackets without burning through them. The difference in finish quality is noticeable. Also, get a diamond blade if you'll be cutting any concrete pavers for the foundation.
2/9/2026 1:52:00 PM #4
RenovationRick63
RenovationRick63
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Seconding Steve on variable speed! I'm rebuilding my deck and using a DeWalt variable speed grinder with laser-cut precision blades. The consistency is perfect for trimming joist hangers to exact measurements. One tip: mark your cut lines with a paint pen instead of pencil - the grinder dust won't erase them. And if you're doing any intricate metalwork for shed hardware, a smaller 3" grinder might be worth having too for tight spaces.
2/9/2026 1:36:00 PM #5
WrenchWendy646
WrenchWendy646
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Wow, thanks everyone! This is super helpful. I think I'll go with a corded variable speed model based on your advice. The safety gear tip is appreciated too - definitely don't want any accidents. One more question: should I get one with a paddle switch or slide switch? I've heard different opinions on which is safer for beginners.

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