Drill America D/ACO29P12 #29 Cobalt Heavy Duty Drill Bit, Pack of 12

About this item

• 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
• Round shanks allow use with a wide variety of toolholding systems
• - Built following National Aerospace standard 907
• - Created in accordance with National Aerospace standard 907
• - Crafted to meet National Aerospace standard 907
• - Fabricated as per National Aerospace standard 907
• 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