Dormer Professional HSS Jobber Drill Bit 8mm Diameter, 117mm Overall Length, Cobalt Steel, 10 Pieces A7778.0

Dormer A7778.0 professional HSS Jobber Drill Bit set with 8mm diameter and 117mm overall length is crafted from premium cobalt steel, designed specifically to tackle higher tensile and tougher materials with precision and durability. The bronze surface treatment enhances performance and lifespan under demanding drilling conditions.

The drill bits feature four helical flutes combined with a right-hand cutting direction, facilitating efficient chip evacuation for accurate and clean holes. With a drill point angle of 135 degrees, they are suitable for a wide range of drilling tasks including metalworking, mechanical, and fluid power tool applications.

The cylindrical/straight 8mm shank provides compatibility with standard drill chucks, making the set versatile for various power tools. These drill bits conform to the DIN 338 standard, assuring mechanical and material quality suitable for industrial and mechanical engineering environments.

High-speed cobalt steel material for enhanced hardness and heat resistance. Overall length of 117mm with drilling length of 75mm for medium-depth drilling. Right-hand spiral flutes engineered for swift chip removal and reduced clogging.

Bronze finish providing additional surface protection and reduced wear. Set includes 10 pieces offering a reliable quantity for continuous industrial use.

Manufactured in France, this Dormer drill bit set is apt for professional applications including industrial tooling, mechanical manufacturing, and fluid power tool operations. The set supports precise and efficient drilling in durable materials, making it essential for workshop and manufacturing customers.

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