Mastodawn

I don't have much experience with steel fabrication but I had assumed there were basically two ways people cut it, angle grinder or band saw. (slow, slower)

Never for a second considered using a circular saw.

Guess what, you can use a circular saw.

This blade is $40, you can make mirror clean cuts in 3/8" steel plate, with your circular saw.

Main drawback is that it sprays flamin hot razor sharp chips everywhere and maximum PPE is not optional.

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big ole spiderbox

#2
PITTSBURGH 6-1/2" Flush Cut Saw from Harbor Freight.

This saw is $9. It used to be $7. Now it's $9. It's still worth three times that, to me at least.

I go back and forth between using it to fine woodwork, and hacking 5" tree branches off. It doesn't matter, the saw is impervious to abuse. This one is two or three years old and gets used all the time. It's still crazy sharp.

It cuts a two-by-four in under 30 seconds easy.