DRILL AMERICA 1/16″ – 1/2″ Cobalt Jobber Drill Bit Set, Shatter Proof Case, 29 Pieces (1/64 Increments). Pieces in Set: 29 Material: Cobalt Finish: Gold Shank Type: Round Style: Jobber Cutting Angle: 135° Point Type: Split Point Number of Flutes: 2 Cutting Direction: Right Hand. 1/64 Size Increments m35 cobalt drills are are effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium 135 degree split point tip for self-centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go “walking” on you. Manufactured to Aerospace Standard 907 Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed Unique round drill index combines form and function into one beautifully designed, easy to carry drill set. Sizes in set: 1/16? Life is for living.