Emuge-Franken USA, a manufacturer of high-performance taps, thread mills, end mills, drills, and other rotary tools, has ...

If you're in the market for new drill bits for your next home improvement project, check out these products from Harbor ...

We used the DD750X sharpener on black oxide, titanium nitride, cobalt, and carbide-tipped drill bits and it worked perfectly on every material, although it did grind away the coating on cheaper bits.