Dormer A777 HSS-E Cobalt Jobber Drill Bits 3.7mm Pack of 10

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Dormer A777 HSS-E Cobalt Jobber Drill Bits 3.7mm Pack of 10

Designed for the toughest industrial and professional applications, the Dormer A777 HSS-E Cobalt drill bits deliver exceptional durability and precision when drilling into hard materials such as stainless steel, titanium, and other high-strength alloys. The cobalt content provides superior heat resistance and extended tool life, ensuring consistent performance even in high-stress environments where standard high-speed steel bits would quickly fail. Whether you are working in engineering, fabrication, or maintenance, this pack of 10 gives you reliable, repeatable results on every job.

- 8% cobalt content for enhanced heat resistance and long-lasting sharpness

- 135° split point geometry eliminates walking and reduces thrust, allowing self-centering starts

- Fully ground from solid HSS-E blanks for tight tolerances and concentricity

- Steam tempered surface treatment reduces friction, prevents chip clogging, and improves lubricant adhesion

- DIN 338 standard compliant for jobber length drills with right-hand spiral

- Suitable for use on stainless steel, high-tensile metals, cast iron, and non-ferrous materials

- Precision ground cutting edges deliver clean holes with minimal burr formation

- Pack of 10 in a convenient plastic storage tube keeps bits organised on site

Ideal for tradespeople who demand reliability in demanding conditions, these Dormer A777 bits offer the strength and accuracy needed to tackle any hard-metal drilling task.

GTIN: 7320760375044