I was wondering what different people are using for drill bits to drill holes larger than 1/2 inch in thick steel. Had a hard time drilling some 3/4 inch holes but thought maybe it's just some low quality bits we have.
Also, has anybody used a plasma cutter to 'drill' holes and if so what do you use for a guide to cut a perfect hole. I've heard of using flat washers but it takes a very big washer to get a 3/4 inch hole.
Drill bits
Also, has anybody used a plasma cutter to 'drill' holes and if so what do you use for a guide to cut a perfect hole. I've heard of using flat washers but it takes a very big washer to get a 3/4 inch hole.
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