Dormer High Speed Steel Titanium Nitride Coated Jobber Drill Bit Set, 5 Pieces, 5.8mm Shank, 93mm Overall Length A0025.8

Dormer A0025.8 High Speed Steel Titanium Nitride (TiN) coated Jobber Drill Bit Set consists of 5 pieces engineered for industrial precision drilling. These drill bits feature a 5.8mm cylindrical shank and 93mm overall length, making them versatile for many metalworking tasks.

Constructed of premium High Speed Steel with a titanium nitride finish, these bits offer increased wear resistance and longer service life. Each bit is designed with 4 helical flutes and a 118° split point angle for excellent positional accuracy and superior hole quality. The right cutting direction and optimized web design afford better strength and rigidity.

These Dormer drill bits are compatible with both hand drills and machine operation and are ideal for hard materials such as steels, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloy, graphite, and plastics. They are not suitable for masonry applications.

The bits comply with international standards DIN 338 RN, ISO 235, and British Standard BS 328, ensuring reliability and consistent performance. Manufactured from high speed steel with TiN coating for wear resistance. 118° split point design for accurate centring on workpieces.

Helical flute type enhances chip removal and drilling quality. 5.8mm cylindrical shank size for secure chuck fitting. Drill length of 57mm with 93mm overall length per bit. Right cutting direction suited for standard drilling operations.

Conforms to DIN 338 RN, ISO 235, and BS 328 standards. Sold as a set of 5 pieces for professional applications.

This drill bit set is essential for applications in mechanical workshops, metal fabrication, industrial manufacturing, construction, and maintenance environments, enabling precision drilling in a wide range of metals and non-metals.

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