Dormer HSS 1 Inch Drill Bit, 95mm Overall Length, Cylindrical Shank, Bright Finish A1102.5

Dormer A1102.5 drill bit is a precision-engineered high-speed steel (HSS) tool with a 1 inch diameter and an overall length of 95mm. Designed primarily for machining and drilling applications requiring longer reach, this tool is built to deliver accurate and efficient performance in industrial, manufacturing, and workshop environments.

Its four helical flutes facilitate smooth chip evacuation, reducing tool clogging during prolonged drilling operations. The cylindrical shank with a bright finish ensures a secure fit in standard drill chucks and enhances handling durability. The drill point angle of 118° optimizes cutting for a wide range of materials including steel and cast iron.

The drilling length of 62mm allows deeper hole penetration, making it ideal for tasks that require greater reach without compromising on precision. Steam tempering of the HSS material improves resistance against wear, extending tool service life under rigorous use.

This dormer drill bit meets stringent manufacturing standards including BS 328, ISO 494, and DIN 340 RN, assuring users of reliable quality and consistency. It belongs to Dormer's metric long series twist drills which can drill up to six times the diameter depth before flute clearing is needed, ensuring efficient and sustained machining productivity.

The drill bit has four helical flutes for efficient chip removal. It features a cylindrical shank with a bright finish for secure gripping and durability. The 118° drill point angle optimizes cutting performance across diverse materials.

Drilling length measures 62mm, suitable for extended reach drilling tasks. Manufactured to comply with BS 328, ISO 494, and DIN 340 RN standards for precision and quality. Steam tempered finish enhances wear resistance for prolonged tool life.

Ideal for use on steel and cast iron materials in workshop and industrial environments. Meets Dormer long series twist drill specifications, capable of drilling up to six times the diameter in depth before flute cleaning.

This drill bit is suitable for applications in mechanical workshops, manufacturing plants, construction sites, and laboratory toolkits where precision drilling into metals is required. Its durability and standards compliance make it a dependable choice for professional users who demand performance and longevity.

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