2
votes
1answer
684 views

What is the best tool to grind down a smaller metal rod?

I am building this workbench and I have decided to recess the nut and washer inside the top of the bench, so that I won't cut/scape myself while I'm leaning up against it. Now my issue is that the ...
4
votes
1answer
1k views

What are the key differences between a step drill bit and a knockout punch?

Both a step drill bit and a knockout punch seem to be very similar, in that they both make holes in a metal box. The step drill seems to have an advantage, since it can make several size holes using ...