Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 5.4mm Pack of 5

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Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 5.4mm Pack of 5

The Dormer A147 HSS-E Cobalt drill bit delivers exceptional performance when drilling into tough materials such as stainless steel and hardened alloys. Its premium cobalt content provides outstanding heat resistance and edge retention, ensuring longer tool life and consistent accuracy even under demanding conditions. This pack of five 5.4mm bits offers excellent value for professionals and serious DIYers who require reliable, high-quality drilling solutions.

Key features:

- Manufactured from high-speed steel with 5% cobalt content for superior hardness and heat resistance

- Ideal for drilling stainless steel, titanium, cast iron, and other difficult-to-machine materials

- 135-degree split point reduces walking and allows for precise, self-centring starts without a pilot hole

- Steam tempered surface treatment reduces friction and increases wear resistance

- Meets DIN 340/R40 standards for consistent geometry and performance

- Bright finish on flutes aids chip evacuation and reduces build-up

- Pack