Dormer 0.25 in Diameter x 40 mm Shank Diameter x 100 mm Overall Length HSS Spiral Square Hand Reamer B1001/4

Dormer B1001/4 Hand Reamer is a high-quality precision tool designed with a 0.25 inch diameter, 40 mm square shank, and 100 mm overall length. Built from durable high-speed steel (HSS), it aims to finish existing holes with accurate H7 tolerance for both ferrous and non-ferrous metals.

The spiral flute design enhances chip evacuation, improving machining efficiency and surface finish quality. Finished with bright lands and blue flutes, this reamer exhibits superior cutting performance and longevity.

Conforming to internationally recognized standards DIN 206 B, BS 328, and ISO 236, this tool guarantees consistent quality and compatibility across industrial applications.

Ideal for precision drilling and finishing in sectors such as mechanical engineering, fluid power systems, automation, and manufacturing industries requiring tight tolerances and reliable performance.

0.25 inch diameter for precise hole enlargement and finishing. Spiral flute improves chip removal during operation. Square shank design for stable and secure mounting. 100 mm overall length allows work in deeper holes. High-speed steel construction ensures long tool life.

Bright lands and blue flutes provide better cutting efficiencies. Complies with DIN 206 B, BS 328, and ISO 236 standards. Suitable for both ferrous and non-ferrous metal reaming. Applications in industrial machining and automation industries.

This Dormer hand reamer is a trusted choice for workshops and industries seeking precision hole finishing tools. Explore more hand Reamers and precision tools at EnvMart for your machining requirements.