There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and ... hole saws can drill through metal that is up to 5/8" thick.

hard steel, and even titanium. Because cobalt alloy bits are more expensive than conventional metal drill bits, they aren’t ...

Forging, casting, and cutting are some methods of getting the metal ... the steel, and the results speak for themselves. With the liquid nitrogen treatments the bits were easily able to drill ...

BOSCH BL21A 21-Piece Assorted Set Black Oxide Metal Drill Bits with Included Case for Applications in Light-Gauge Metal, Wood, Plastic Saw blades can be expensive, but not having a few extras on ...

People have been working metal ... mild steel of the hammer makes it hard to keep an edge, so [Jody] pulled out his TIG welder and laid down a bead on the cutting edge using an old drill bit ...

Compatiable with all SDS-plus rotary hammers, Bosch Power Tools' Bulldog Xtreme8 8-cutter SDS-plus concrete drill ... bits demonstrate our dedication to offering solutions that empower hard ...

If wood splits or is hard to drill ... when drilling into metal—or refuses to bore a hole—you might be using the wrong type of drill bit. "For steel, use cobalt-alloy bits since they're ...