Drill bits are primarily used for creating circular ... These include titanium and even crushed diamond. For drilling into metals such as stainless steel, your best bet is a HSS twist bit.

With a single-point diamond dresser, you simply move the tip across the spinning wheel, either using a jig or by hand. Don't just flatten the curved surface you'll use for grinding drill bits ...

The patent in question relates to a composite material used in rotary drill bits, which boasts enhanced diamond bonding. The Federal Circuit countered the ITC's claims of the patent being directed ...