Drill America 29 Piece Cryogenic HSS Black & Gold Bit Set, 1/16" - 1/2" x 1/64"

Sizes: 1/16" - 1/2" by 1/64" in a unique round Bit Cooler drill index combines form and function into one beautifully designed, easy to carry drill set Cryogenic Treatment: Cryogenic KFD Drill Bits are frozen to -300°F for 48 hours, enhancing tool life, torsion strength, and corrosion resistance while preventing breakage and chipping Performance: Designed to cut faster, last longer, and produce smoother holes compared to standard drill bits Precision Design: Features a 135° split-point tip for fast penetration and accurate drilling, with a surface hardness of 70 Rockwell C High-Quality Material: Manufactured from M2 premium-grade high-speed steel with a 3-flat shank for a secure hold in the chuck