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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","published_at":"2026-08-20T16:42:49+10:00","created_at":"2026-08-20T16:42:49+10:00","vendor":"Drill America","type":"Jobber Drill Bits","tags":["home_improvement_July2026"],"price":27000,"price_min":27000,"price_max":27000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44350362190004,"title":"19\/64\"","option1":"19\/64\"","option2":null,"option3":null,"sku":"B00FX6RI9C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Drill America 19\/64\" Cobalt Heavy Duty Drill Bit (Pack of 12), D\/ACO Series 19\/64\" - 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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"}