Aluminium needs a sharp bit because it's so soft, a blunt drill will make a messy hole with a lot of fash on the back side. Doesn't need to be anything better than standard HSS. <P>I'd work up from ...

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY ...

Suppose you need to modify an enclosure by drilling a hole in it to install a drain (or for some other purpose). How can you do this in a way that leaves a perfect hole with a minimum of work? First, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: Diablo’s Impact Strong Step Drill Bits are a fast, convenient way to ...

Diamond core drills are primarily rented by mechanical and utility contractors, plumbers and stone masons for drilling holes in walls, ceilings, floors and roads. They can be a small but important ...