Dormer A777 HSS-E Cobalt Jobber Drill Bits 3.1mm Pack of 10

Compare today's prices on the "Dormer A777 HSS-E Cobalt Jobber Drill Bits 3.1mm Pack of 10".

Dormer A777 HSS-E Cobalt Jobber Drill Bits 3.1mm Pack of 10

These Dormer A777 drill bits deliver exceptional durability and precision for demanding professional and industrial drilling tasks. Engineered from premium HSS-E cobalt steel, they maintain sharpness and resist wear even in high-stress environments, making them ideal for machining tough materials such as stainless steel, cast iron, and high-tensile alloys. The pack of ten 3.1mm bits ensures you always have a reliable spare on hand for repetitive jobs or multi-bit setups.

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

- 135-degree split point design reduces walking and eliminates the need for centre punching, enabling accurate start drilling

- Fully ground flutes and precise point geometry deliver clean, concentric holes and efficient chip evacuation

- Suitable for use on stainless steel, titanium, nickel alloys, and other difficult-to-machine metals

- Conforms to ISO 235 / DIN 340 standards for jobber length, ensuring compatibility with standard chucks

- Corrosion-resistant surface finish enhances performance under coolant or lubricant application

Whether you are working on production runs or one-off repairs, this set offers the consistent reliability and cutting performance that tradespeople and engineers demand.

GTIN: 7320760374986