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Cobalt Drill Bit, 12 Steps 4 Spiral Step Drill Bit Metric Size 5‑27mm Step Drill Bit Set 1/4 Inch Shank Metric Step Drill Bit Set for Stainless Steel Aluminum Wood Plastic

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$21.02

$ 10 .07 $10.07

In Stock
  • 4 Spiral Flutes: The step drill features 4 helical flutes and 4 cutting edges to ensure faster, smoother and more efficient cutting performance, making it ideal for a variety of drilling tasks. It ensures clean holes for subsequent work.
  • Excellent Steel: Made from M35 cobalt high-speed steel for superior durability and toughness, the step drill has a surface hardness of up to 89HRC, allowing it to cut harder materials easily and efficiently. This sturdy construction ensures the durability and longevity of the tool, so it won't wear out easily even if it's accidentally dropped on the floor.
  • Drilling Diameter: Cobalt drills are available in a 12-stage design with drilling diameters of 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, and 27mm, offering a wide range of options for different hole sizes and applications. The drill size can be selected according to the shape of different materials.
  • Applicable Plate: This step drill bit is suitable for wood, plastic, stainless steel, aluminium, copper and other metal plates, it is very practical and easy to deal with different materials, it can deal with a wide range of materials, versatile.
  • 1/4 Inch Shank: The 4-tooth step drill bit with standard 1/4-inch shank mounts easily to compatible tools, providing a stable and reliable connection for safe and efficient drilling operations. It is very easy to install, saves time and effort, meets complex drilling jobs, and is easy to disassemble.


Specification:
Item Type: Step Drill Bit
Material: M35 Cobalt High Speed Steel
Drilling Diameter: 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, 27mm
Shank Diameter: 1/4 Inch
Package List: 1 x Step Drill Bit 1 x Storage Box


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