M35 Cobalt Step Drill Bit for Metal, HSS Spiral Step Drill Bit Grooved Stepped 6.35mm Hex Shank Multiple Hole Metric 3-13mm Titanium High Speed Steel Cone Cutter for Stainless Steel Wood Plastic DIY

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  • 11-Step Sizes for Multi-Use Drilling This M35 cobalt step drill bit offers 11 different step sizes ranging from 3mm to 13mm, providing versatility across multiple thicknesses. With sizes including 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, and 13mm, it eliminates the need for multiple drill bits, making it a must-have in any tool kit.
  • 118 X Type Openings & 1 4" Hex Shank Featuring a 118 X type opening design, this step drill bit ensures precision drilling with minimal effort. The 1 4" (6.35mm) hex shank fits a variety of drills, including bench drill presses, impact drills, and hand drills. Its spiral grooved design promotes smooth chip removal for clean and efficient drilling.
  • Versatile Drilling Applications This step drill bit is perfect for various drilling needs. Whether you're working on home DIY projects or professional tasks, it offers fast and accurate drilling with outstanding precision. It can also function as a countersink drill bit for specific metal applications.
  • Optimal Performance Keep in mind that due to the larger cutting angle, startup speed may be slower. Consider using a depth stop collar set for more accurate hole depths. This drill bit is also suitable for plastic drilling, though it's designed primarily for metal.

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