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Manufactured to National Aerospace\nstandard 907. Made of heat resistant cobalt, they display higher red hardness\nwhich permits speeds upto 30 percent greater than High-Speed Steel drills and\nare especially effective in drilling tough, high tensile strength materials\nlike PH stainless steel, inconel, and titanium.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCobalt 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\u003c\/li\u003e\n \u003cli\u003eGold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools\u003c\/li\u003e\n \u003cli\u003eRound shanks allow use with a wide variety of toolholding systems\u003c\/li\u003e\n \u003cli\u003eWhen run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging\u003c\/li\u003e\n \u003cli\u003eManufactured to National Aerospace standard 907\u003c\/li\u003e\n \u003c\/ul\u003e"}