3 pcs Step drill bit Set- also known as a multisize drill bit, is a versatile tool designed for drilling holes of various sizes. This step drill bit set features 19 different hole sizes engraved on the bit. With this step drill bit set, you can drill holes in sizes ranging from 1/8-inch to 7/8-inch, including increments such as 1/8", 3/16", 5/32", 7/32", 9/32", 11/32", 13/32", 15/32", ¼", 5/16", 3/8", 7/16", ½", 9/16", 5/8", 11/16", ¾", 13/16", 7/8" 3/4".
Heavy-duty multifunction drill Bit set - designed to tackle a wide range of drilling applications with ease. This versatile drill Bit set set allows you to effortlessly drill new holes or enlarge existing ones to various sizes, eliminating the need for frequent drill Bit set changes.
A must-have tool - This Step Drill Bit set 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 set 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.
Compatible with various materials - the M35 HSS step drill Bit set 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. Be cautious when drilling with step drill bits to avoid breaking the tip, which, while capable of cutting hard materials, is brittle.
Material: Cobalt Steel
