Bosch PRO HSS-G Drill Bit 4mm Pack of 10

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Bosch PRO HSS-G Drill Bit 4mm Pack of 10

Achieve precise, clean holes in tough materials with this essential 4mm drill bit set from Bosch. The PRO HSS-G twist drill bits deliver reliable performance in alloyed steel and cast iron, making them a trusted choice for professional tradespeople and serious DIYers alike. Each bit in this pack of 10 features a ground spiral and a self-centring tip for fast, accurate starts and reduced walking on metal surfaces.

- 4mm diameter, pack of 10 – ideal for pilot holes, screw fixing and general metalwork

- High-speed steel ground construction (HSS-G) for superior hardness and heat resistance

- Self-centring 135° split-point tip reduces walking and improves drilling accuracy

- Precision-ground flutes ensure efficient swarf removal and smooth cutting action

- Suitable for use in alloyed steel, cast iron, non-ferrous metals and plastics

- Fully ground body provides consistent concentricity and longer tool life

- Complies with DIN 338 standards for dimensional accuracy and reliability

Whether you are installing hinges, mounting brackets or fabricating metal components, these Bosch drill bits offer the durability and precision you need for repeated use on demanding jobsites.

GTIN: 3165140290593