Dormer A777 HSS-E Cobalt Jobber Drill Bits 8.7mm Pack of 10

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Dormer A777 HSS-E Cobalt Jobber Drill Bits 8.7mm Pack of 10

Engineered for demanding professional and industrial applications, the Dormer A777 drill bits deliver exceptional durability and precision in high-stress environments. The advanced 135 degree split point ensures self-centring and reduces thrust, making these bits ideal for drilling into tough materials like stainless steel, hardened steels, and alloys without wandering. Each bit is crafted from premium HSS-E cobalt steel, offering superior heat resistance and extended tool life even under continuous use or in CNC operations.

- 135 degree split point for accurate starting and reduced walking

- HSS-E cobalt construction (5-8% cobalt content) for high-temperature performance

- Suitable for drilling in stainless steel, hardened steel, cast iron, and non-ferrous metals

- Reinforced web design increases strength and reduces breakage risk

- Straight shank fits standard 3-jaw chucks and power tools

- Bright finish with precise grinding for clean, sharp cutting edges

- Pack of 10 ensures consistent sizing and replacement convenience

- 8.7mm diameter for medium-duty hole applications in metalworking

For reliable, repeatable results across the toughest materials, the Dormer A777 jobber drill bits provide the performance and longevity that tradespeople and machinists demand.

GTIN: 7320760375617