Blu-Mol 3pc Spiral Step Drill Bit Set (4–30mm) | HSS M2

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  • 3-piece step drill set: Includes 4–12mm, 4–20mm, and 4–30mm sizes

  • Spiral flute design: Improves chip removal and reduces heat buildup

  • Engraved 5mm step depths: Easy-to-read for accurate drilling

  • M2 High Speed Steel: Durable and long-lasting

  • CBN fully ground: Sharper cutting edge for faster performance

  • Split point tips: Helps reduce walking and increase precision

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Tackle a wide range of hole sizes with precision and confidence using the Blu-Mol Spiral Flute Step Drill 3-Piece Set. Crafted from M2 High Speed Steel and CBN fully ground for a razor-sharp edge, these step drills cut cleanly and efficiently through metal and plastic.

Each bit features engraved depth guides and 5mm step increments, giving you full control on-site or in the workshop. The split point tip minimises wandering, while the spiral flute design clears swarf quickly to keep your holes clean and cool. Ideal for electricians, fabricators, and serious DIYers alike.

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