Pagoda Drill Bit Metric High Speed Steel Spiral Flute Step Drill

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Style : 4241 spiral groove transparent plastic pipe 4-20mm

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  • TIPS: All products undergo strict quality inspection by the manufacturer. We look forward to your satisfaction with the quality of our products.
  • 😊If you are not satisfied with the goods you received, please contact us within 15 days after receiving, we will give you the best help!
  • 🚢 Shipping>>Worldwide express shipping available.
  • 🔥98.9% of customers buy 2 or more


  • 【Widely Used】The perfect step drill bit is suitable for drilling in various materials: within 3mm/0.12 inches (iron plate, copper plate, aluminum plate); within 5mm/0.2 inches (wood, PVC board, insulation board).  Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls, etc.

  • 【Material】High-speed steel combined with titanium coating.  Stronger and more durable.  This step drill set is coated with titanium and has good heat resistance, corrosion resistance and rust resistance.

  • 【Easy Drilling】Double-edged design for smoother cutting.  The high step design lets you feel the stop and never make the mistake of drilling bigger. 135° X-Split Point - Increases cutting speed and prevents walking with automatic centering.

  • 【Wide Application】Helical flute step drill bit (4-20/ 4-32 mm). The 1/4" hex shaft driver is suitable for a variety of home DIY drills.


  • Material: High Speed Steel

  • Weight: 186G

  • Size:


  • Free Shipping Over $30.

  • Orders will be processed within 7 business days of ordering and shipped out the next day after the processing day. Orders will generally be delivered within 7 to 14 working days.

Returns:Fast refund for any dissatisfaction within 15 days, 100% money-back guarantee.


  • Due to manual measurements, please allow slight measurement deviations.

  • Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture.