Boring, also called internal turning, is used to increase the inside diameter of a hole. The original hole is made with a drill, or it may be a cored hole in a casting. Boring achieves three things: ...

Sumitono Electric's (www.sumicarbide.com) antivibration X-Bars for deep-hole boring have a dampening mechanism that the company says eliminates chatter, and gives the tools long life while providing ...

Drilling large-diameter holes in a high-production environment requires a tool that can handle aggressive material removal while maintaining efficiency. That’s where indexable insert drills shine.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The DeWalt DCD999 is one of the most powerful cordless drills we’ve ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials, ...