SD05A, 1/8”~1-3/8” TiAIN Coated Double Flute M35 Cobalt Step Drill Bits Set, Tri-Flat Shank, 5PCS, for Metal, Stainless Steel, Aluminum, Copper, Wood, PVC

Premium Quality: TiALN coating and M35 cobalt construction exhibit excellent characteristics, including high hardness, high oxidation temperature, strong adhesion, and a low friction coefficient.

Double Flute: A step drill with 2-flutes typically offers better chip evacuation. The larger flutes provide more space for chips to exit, reducing the likelihood of clogging and allowing smoother drilling.

Effortless Efficiency: Equipped with a tri-flat shank for better grip and reduced slipping in the chuck of a power tool. Perfect accessories for drill press and handheld drills.

Versatile Range: Covering sizes from 1/4”-1-3/8”, 3/16”-7/8”, 1/4-3/4”, 1/8-1/2” and 3/16”-1/12”, this set of five bits caters to varied drilling needs without the hassle of frequent changes, optimizing workflow and saving valuable time.

Reliable Precision: Crafted for reliability and precision, these drill bits offer unmatched performance for DIY enthusiasts and professionals across construction, engineering, and repair tasks.