3-Flute Cobalt Drill Bit Set, M35 Metal Drill Bits for Metal and Steel, 3-Flats Shank, 135 Degree Split Point, for Hardened Steel, Stainless Steel, 21-Piece, 1/16"-1/2"
3-Flute Design: The special 3-flute design enables the drill holes to have higher roundness, smoother walls, better chip removal, and heat dissipation
Multiple Useful Sizes: Includes 3-Flute Sizes: 1/2" x 1, 3/8" x 1, 5/16" x 1, 1/4" x 1, 15/64" x 1, 7/32" x 1, 13/64" x 1, 3/16" x 1; 2-Flute Sizes: 11/64" x 1, 5/32" x 1, 9/64" x 1, 1/8" x 2, 7/64" x 2, 3/32" x 2, 5/64" x 2, 1/16" x 2
M35 Cobalt High-Speed Steel: Made from industrial-grade M35 high-speed steel with 5% Cobalt for enhanced durability with better hardness and wear resistance
3-Flats Shank: Prevent the shank from spinning in the chuck for a secure grip
135° Split Point Tip: Offers precise and faster drilling performance with less walking
Wide Application: Ideal for drilling through hard metals, such as hardened stainless steel, cast iron, aluminum alloys, and more
