Bosch 3 Piece HSS-AlTiN Step Drill Bit Set

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Bosch 3 Piece HSS-AlTiN Step Drill Bit Set

This professional-grade step drill bit set from Bosch allows tradespeople to drill multiple hole diameters quickly and accurately without the need for frequent bit changes. The high-speed steel construction with an AlTiN coating delivers extended tool life and superior heat resistance, making it ideal for repetitive drilling in metal, plastic, and wood. Whether you are working on electrical enclosures, sheet metal, or plumbing installations, this set streamlines your workflow and boosts productivity on site.

- Set includes three step drill bits: 4–12 mm, 4–20 mm, and 4–30 mm, covering a wide range of common hole sizes

- High-speed steel (HSS) body with an aluminium titanium nitride (AlTiN) coating for higher hardness and reduced friction

- Self-starting split-point tip eliminates walking and ensures clean, accurate holes without a centre punch

- Three-flute design creates smooth, burr-free holes and removes chips efficiently

- 1/4-inch hexagonal shank fits standard impact drivers and keyless chucks for quick bit changes

- Colour-coded rings on each bit for easy size identification on the job

- Supplied in a rugged, compact storage case with size markings for organisation

This set is a reliable addition to any toolbox, delivering precision and durability for demanding drilling tasks.

GTIN: 3165140666497