• Seven ⅛” – ½” TurboStep drill bits in extra-long 12” standard known as Aircraft Length • Spiral fluted PATENTED stepped-tip drill bits that simply outperform every conventional drill bit design in nearly all materials • Extra length allows for additional reach in tight spaces or for drilling through extra thick material • Excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into • Precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up • Every drill bit size is 12” long, ⅛-½” by 1/16”
