Drill America - D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), D/ACO Series

Set contains 29 m42 Cobalt Drill Bits sizes 1/16" - 1/2" x 1/64" increments Cobalt Drills are effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium Gold oxide finish acts as a lubricant and provides wear resistance Round shanks allow use with a wide variety of tool holding systems Manufactured to Aerospace Standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tools toughness and hardness in high drilling temperatures Effortlessly grip the set in 1 hand as you would a travel coffee mug or leave it in the cup holder of your truck while on the way to a job When all hands are on deck, hang the drill index on your belt whether youre in the shop or field Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set