Dormer High Speed Steel Titanium Nitride Coated Jobber Drill Bit, 4mm Shank Size, 75mm Overall Length A0024.0

Dormer A0024.0 High Speed Steel Titanium Nitride coated jobber drill bit with a 4mm shank size and 75mm overall length is engineered for industrial, mechanical, and construction drilling tasks requiring precision and durability. The drill bit is made from high-quality HSS material enhanced by a titanium nitride coating on the tip to increase wear resistance and extend tool life during cutting operations.

This 5-piece set of drill bits features 4 helical flutes, providing exceptional stiffness and strength for drilling through materials such as steels, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloy, graphite, and various plastics. It is designed with a 118° split-point angle that facilitates self-centering and ensures excellent positional accuracy and hole quality.

The drill bits meet international standards DIN 338 RN, ISO 235, and BS 328, assuring compatibility and reliability across multiple industrial applications. The TiN coating improves cutting performance especially when drilling harder materials, and the optimized web design increases rigidity for higher strength.

This product is ideal for use in industrial, manufacturing, mechanical, and construction environments where precision and durability are paramount. Its versatility makes it compatible with both hand and machine drills, although it is not suitable for masonry drilling. The 4mm cylindrical/straight shank size fits standard drill chucks.

Manufactured using premium High Speed Steel with Titanium Nitride coating for extended cutting life. Four helical flutes provide improved stiffness and cutting efficiency. Head features a 118° split point offering self-centering for precise, clean holes.

Compliant to DIN 338 RN, ISO 235, and BS 328 for industrial-grade quality. Suitable for drilling steels, cast irons, aluminium alloys, plastics, and more. Pack contains 5 drill bits, each with overall length of 75mm and drilling length of 43mm.

Cylindrical/straight 4mm shank designed for standard drill chucks. Origin: Brazil, underscoring manufacturing quality and standards adherence.

For professionals in mechanical engineering, fabrication, machinery maintenance, and construction, this Dormer drill bit set delivers reliable performance across a broad range of applications. It is a crucial tool for efficient drilling operations in industrial and workshop settings.

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