Dormer A321 HSS Steam & Bronze Tempered Drill Bit 4.9mm Pack of 10

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Dormer A321 HSS Steam & Bronze Tempered Drill Bit 4.9mm Pack of 10

The Dormer A321 Heavy Duty HSS drill bit delivers exceptional reliability and precision for medium-depth drilling in demanding materials. Its advanced steam and bronze tempering process significantly enhances durability, reducing heat build-up and extending tool life even during prolonged use. The innovative tri-flat shank design ensures a secure, non-slip grip in three-jaw chucks, preventing slippage and enabling consistent, accurate holes every time. Whether you are drilling in steel, cast iron, or other tough alloys, this pack of ten 4.9mm bits provides the dependable performance needed for professional and serious DIY applications.

- Tri-flat shank for superior grip and reduced slippage in standard chucks

- Steam and bronze tempered HSS for increased hardness and heat resistance

- Ideal for medium-depth drilling in ferrous metals and hard materials

- Precision-ground cutting edges for clean, accurate holes

- Robust 135-degree split point eliminates walking and reduces thrust

- Pack of 10 bits ensures consistent sizing and long-term value

For reliable, precise drilling on demanding jobs, these Dormer A321 bits are a trusted choice.

GTIN: 3603607072042