5-Piece Step Drill Bit Set & Countersink Drill Bit Set with Tool Box for Metal, Aluminum, Wood, and Plastic

About this item

• ENHANCED DURABILITY: Our industrial-grade step drill set & countersink drill bit set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
• IMPROVED STABILITY: Unlike ordinary step drills that often suffer from deflection during cutting, our four-flute step drill bit provides exceptional stability. This feature enhances accuracy and cutting speed, making it perfect for stainless steel drilling. In fact, it offers a significantly longer service life compared to regular step drills.
• NITRIDING BIT KIT: Our set of 10 nitriding step and countersink bits offers a variety of sizes to meet different drilling requirements. The assortment includes step bits with the following diameters: /16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). Additionally, the countersink drill bit sizes are 1/4'', 3/8'', 1/2'', 5/8'', and 3/4''.
• 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.
• DEDICATED CUSTOMER SERVICE: While our products undergo stringent quality inspections, unforeseen issues caused by accidental factors may occur. In such cases, we are committed to providing professional customer service. If you encounter any quality problems, please contact us via here, and we will promptly replace the defective item with a new one.
• VERSATILE DRILLING CAPABILITY: With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.