Bosch PRO HSS-Co Cobalt Drill Bit 4mm Pack of 10

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Bosch PRO HSS-Co Cobalt Drill Bit 4mm Pack of 10

Designed for the toughest metal drilling jobs, this 4mm Bosch PRO HSS-Co Cobalt Drill Bit delivers exceptional performance and longevity. Whether you are working with stainless steel, hardened alloys, or cast iron, the high-speed steel and cobalt construction ensures clean, accurate holes every time. Supplied in a convenient pack of ten, this go-to size is ideal for electricians, engineers, and DIY enthusiasts who need reliable, repeatable results without frequent bit changes.

- Premium HSS-Co (high-speed steel with 5% cobalt) for superior heat resistance and extended tool life

- 4mm diameter – a versatile size for drilling pilot holes, fixing brackets, and general metalwork

- 135-degree split point tip reduces walking and eliminates the need for a centre punch

- Fully ground flutes provide efficient swarf removal and reduce binding

- DIN 338 standard for consistent quality and precise geometry

- Pack of 10 offers excellent value and keeps your workshop stocked

- Suitable for use in handheld drills, pillar drills, and machine tools

Trust Bosch PRO engineering for professional-grade drilling that stands up to repeated use in demanding materials.

GTIN: 3165140521154