Dormer A777 HSS-E Cobalt Jobber Drill Bits 4.6mm Pack of 10

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Dormer A777 HSS-E Cobalt Jobber Drill Bits 4.6mm Pack of 10

Engineered for the toughest applications, the Dormer A777 drill bits deliver exceptional durability and precision in high-stress professional and industrial environments. The premium HSS-E cobalt construction withstands elevated temperatures and hard materials, reducing downtime and ensuring consistent performance across repeated use.

- Made from high-speed steel with 5% cobalt content (HSS-E) for superior heat resistance and extended tool life

- 135-degree split point eliminates walking, enables self-centring, and reduces thrust required for faster penetration

- Jobber length design offers the ideal balance of reach and rigidity for versatile drilling in metalworking tasks

- Suited for machining alloy steels, stainless steels, cast iron, and other tough materials up to 1100 N/mm² tensile strength

- Bright finish with precision-ground flutes promotes excellent chip evacuation and smooth cutting action

- Each bit is manufactured to Dormer’s exacting quality standards, ensuring consistent diameter tolerance and concentricity

- Pack of 10 provides a reliable stock for frequent tool changes and multi-batch production runs

Whether you are fabricating components in a workshop or maintaining equipment on a production line, these drill bits offer the reliability and accuracy that demanding trades require.

GTIN: 7320760375167