Jobber drills have a flute length 9 to 14 times drill diameter. Cobalt drills display higher red hardness and are especially effective for drilling into tough, high tensile strength materials, such as stainless steels, titanium and Iconel.
Warning:This product may expose you to chemicals including Cobalt, a chemical known to the State of California to cause Cancer. For more information go to www.P65Warnings.ca.gov