Rarapop Upgrade M35 Cobalt Step Drill Bit with Ultra TiAIN Coating, Step Bit with Double Spiral Flute, 1/4″ Hex Shank for Hard Metal, Stainless Steel, Aluminum, Copper, Wood (2-Piece Set)
M35 Cobalt Material: This is a M35 cobalt step drill. You will obviously feel that it is more solid than conventional titanium material, and it will also make you feel unprecedented smoothness in the drilling process. It will be more excellent than you think.
TiAIN Coating: The surface of the step drill bit set for metal heavy duty is coated with a layer of TiAIN, which can minimize the wear of the drill bit during each drilling process. The hardness of the 89HRC surface has also improved to a higher level, which can cut harder materials and greatly improve the cutting speed.
Double Spiral Flute: Two spiral flute design ensures fast and smooth drilling with less wear. Even bring you the pleasure of cutting butter blocks. 1/4″ Hex Shank is compatible with most drills and impact drivers. Impact Resistant design allows for high speed drilling in tough materials. Step bits can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board.
2-Piece Set: 4-12mm9 Steps(4,5,6,7,8,9,10,11,12). 4-20mm9 Steps(4,6,8,10,12,14,16,18,20). Each type of step drill contains a variety of specifications, which can meet your needs in a wider range. At the same time, you do not need to change the drill frequently, saving your precious time.
User Friendly Design: Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.