Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
20 piece drill bit set comes in a metal case
Cobalt steel tools resemble high-speed steel, yet they contain a higher concentration of cobalt, enhancing their efficiency in slicing through tougher materials like stainless steel or nickel alloys.
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools