A recent study by scientists from Cranfield University uncovered modern modifications in a collection of Iron Age ... glue, drill holes, and even a fragment of a modern drill bit embedded in ...

Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as ...

Twist drill bits. Especially in steel thicker than ¼ ... When energized, the magnet attaches the drill to smooth steel or iron surfaces. Mag drills can drill holes up to 6" in diameter in ...

Iron roughnecks of today are fed pipe mechanically ... Pipe is strung together by twisting the box and pin pieces together. When a drill bit needs replacement or the well has been completed ...

But when a drill bit breaks off flush in a hole, there aren’t a lot of options, especially for a small bit. If the stars align, though, you may follow this video guide to dissolve the drill bit ...