Step Drill Bit for Metal Wood 1/4"-3/4", 4-Spiral Flutes, M35 HSS Cobalt Unibit, 1/4" Hex Shank, Al-Ti-N Coated Drill Bit for Drilling 9 SAE Size Holes in Stainless Steel Aluminum Wood Plastic - DKIBBITH, DKVIP-0030

• Step drill bit - also known as a multisize drill bit, is a versatile tool designed for drilling holes of various sizes. This step drill bit features 9 different hole sizes engraved on the bit and a total length of 2.95”. With this step drill bit, you can drill holes in sizes ranging from 1/4-inch to 3/4-inch, including increments such as 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", and 3/4". A must-have tool - This Step Drill Bit Crafted with precision and constructed using M35 high-speed alloy steel for strength and durability. Coated with Aluminum Titanium Nitride up to 89HRC surface hardness for resistance to heat, wear, and corrosion. Engineered for efficiency and convenience - this multifunctional spiral step drill bit features a 118-degree split-point tip, for precise drilling and minimum walking. 4-fluted spiral design serves to debur the material and expand the holes for a clean and smooth drilling process. With a 1/4" hex shank, it securely fits with most drills, drill presses, and hand power tools. Heavy-duty multifunction drill bit - designed to tackle a wide range of drilling applications with ease. This versatile drill bit allows you to effortlessly drill new holes or enlarge existing ones to various sizes, eliminating the need for frequent drill bit changes. Compatible with various materials - the M35 HSS step drill bit drilling through stainless steel, metal sheet, iron, aluminum sheet, copper, wood, plastic and more. Its M35 high-speed steel construction with ensures durability and performance. If for any reason you are not fully satisfied with your purchase, please contact us freely.