Dormer A777 HSS-E Cobalt Jobber Drill Bits 9.9mm Pack of 10

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Dormer A777 HSS-E Cobalt Jobber Drill Bits 9.9mm Pack of 10

Engineered for the most demanding professional and industrial applications, this pack of Dormer A777 HSS-E Cobalt drill bits delivers exceptional durability and precision when machining tough materials. The 9.9mm diameter bits are specifically designed to handle high-stress environments, providing consistent, clean holes in stainless steel, hardened steels, and other challenging alloys. With a cobalt content that enhances heat resistance and extends tool life, these jobber-length drill bits reduce downtime and increase productivity on the shop floor.

- Premium HSS-E (high-speed steel with 5% cobalt) construction for superior hardness and heat resistance

- 135-degree split point eliminates the need for centre punching and reduces walking on contact

- Standard jobber length offers excellent rigidity for deep hole drilling

- Bright finish minimises friction and improves chip evacuation

- Precision-ground cutting edges ensure concentricity and tight hole tolerances

- Suitable for use on stainless steel, alloy steels, cast iron, and non-ferrous materials

- Pack of 10 bits provides consistent performance across multiple workpieces

Ideal for fitters, machinists, and maintenance engineers who demand reliability in repetitive drilling tasks.

GTIN: 7320760375730