Dormer High Speed Steel Industrial Jobber Drill Bit 86mm Overall Length Titanium Nitride Coated A0025.3

Dormer A0025.3 High Speed Steel Jobber Drill Bit is a premium industrial cutting tool designed for precise and efficient drilling applications. Featuring an overall length of 86mm and a robust 5.3mm cylindrical shank, this drill bit offers durability and versatility for both machine and hand drilling uses.

Constructed from high-quality High Speed Steel (HSS), the bit withstands high temperatures generated at fast drilling speeds. The Titanium Nitride (TiN) coating on the tip enhances wear resistance and extends tool life, improving cutting performance, particularly in harder materials.

This drill bit includes four helical flutes that improve chip evacuation and reduce heat buildup during operation. The 118° split-point drill tip ensures excellent centering and reduces walking to produce accurate, clean holes. Optimized web thickness increases strength and reduces breakage risks during tough drilling tasks.

Suitable for a variety of materials including steel, cast steel, grey and malleable cast iron, nickel-brass, aluminum alloy, graphite, and various plastics, this drill bit is not intended for masonry drilling. It complies with internationally recognized standards BS 328, DIN 338 RN, and ISO 235, reflecting high manufacturing quality and reliability.

This tool is essential for industrial, mechanical workshop, manufacturing, and metalworking environments where dependable, precision drilling is required. It is compatible with both hand drills and drill machines, providing flexibility in varied use cases.

High Speed Steel construction for excellent heat resistance. Titanium Nitride coated tip for extended durability and performance. Four helical flutes for efficient chip removal and cooler cutting. 118° split point for precise, self-centering drilling.

Compliance with BS 328, DIN 338 RN, and ISO 235 standards ensures quality. Suitable for drilling steels, cast irons, aluminum alloys, plastics, and graphite. Ideal for both hand and machine drilling applications. Right-handed cutting design with optimized web thickness for strength.

Jobber length with 86mm overall and 52mm drilling length.

Set contains a single Dormer A0025.3 drill bit with engraved sizing and identification for easy recognition and use. This product supports a wide range of industrial and manufacturing drilling needs, making it a reliable tool in workshop and production line settings.

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