Step Drill Bits, High Speed Step Drill Bit Set 4 Flute, 1/4 Inch Shank M35 Cobalt for Stainless Steel, Multi Size Hole Stepped Up for DIY Lovers for Metal Stainless Steel

1. DRILL BIT SET: The kit includes a drill bit and 5 step drill bits, with specifications of 1/4 to 1 3/8 inch, 3/16 to 7/8 inch, 1/4 to 3/4 inch, 3/16 to 1/2 inch, 1/8 to 1/2 inch.2. 4 FLUTE: These step drill bits have four spiral flutes, the four cutting blade design ensures faster and smoother cutting.3. 1/4 INCH SHANK: These drill bits have standard 1/4 inch shank that can be seamlessly connected to the electric drill, easy to install.4. HIGH HARDNESS: The step bits are made of M35 and cobalt, with ahardness of 89HRC, and can cut harder materials.5. MULTI PURPOSE: These drill bits are very suitable for stainless steel, metal plates, wood, plastic, aluminum plates, copper and other metal plates.Spec:Item Type: Step Drill Bit SetMaterial: M35, CobaltShank Diameter: 1/4 InchHole Diameter:1. 1/4 to 1-3/8 inch2. 3/16 to 1/4 to 5/16 to 3/8 to 7/16 to 1/2 to 9/16 to 5/8 to 11/16 to 3/4 to 13/16 to 7/8 Inch3. 1/4 to 5/16 to 3/8 to 7/16 to 1/2 to 9/16 to 5/8 to 11/16 to 3/4 Inch4. 3/16 to 1/4 to 5/16 to 3/8 to 7/16 to 1/2 Inch5. 1/8 to 5/32 to 3/16 to 7/32 to 1/4 to 9/32 to 5/16 to 11/32 to 3/8 to 13/32 to 7/16 to 15/32 to 1/2 InchPackageList:5 x Step Drill Bit1 x Drill Bit

• 【 and Efficient】The Step Drill Bit Set features a 4 flute design for faster and smoother cutting. The 1/4 inch shank allows for easy installation on electric drills, step drill 3/4 ensuring and efficient work.
• 【 and Versatile】Made of M35 and cobalt with a surface hardness of 89HRC, these Step Drill Bits are highly and step bit suitable for cutting through stainless steel, wood, plastic, and various metal plates.
• 【Multiple Sizes】The 1 inch step bit kit includes 5 step drill bits with a wide range of sizes from 1/8 to 1 3/8 inch, providing versatility for different drilling needs. The step bits are ideal for various materials such as aluminum and copper.
• 【Effortless Usage】With a pagoda design, these Step Drill Bits are designed for easy drilling and smooth operation. The multi-purpose step drill bits set are for DIY projects, construction work, and professional tasks.
• 【High Performance】Achieve high precision and outstanding performance with these Step Drill Bits. The multi size drill bit kit is for both beginners and experienced professionals looking for reliable and high-quality drilling tools.