Cobalt Drill Bits for Professionals: Pack of 12

About this item

• Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as 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
• When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
• - Made in accordance with National Aerospace standard 907
• - Produced following National Aerospace standard 907
• - Constructed to conform with National Aerospace standard 907.
• Round shanks allow use with a wide variety of toolholding systems