Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 6.89 mm

The Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 is an intermediate precision M2 high-speed steel reamer with a taper shank for use in standard toolholding systems. It features a left-hand spiral flute and right-hand cutting for a controlled bore and effective chip evacuation on reaming operations. The 6.89 mm nominal diameter is held to ISO H5 tolerance for accurate, repeatable results.

Manufactured to BS 328/4 by Toolex Ltd using HSS (M2) ensures consistent quality and compatibility with standard reaming practices.

• 6.89 mm diameter with ISO H5 tolerance: Delivers precise hole size within -0 to +0.005 mm, helping mating parts fit first time.
• Taper shank, standard length: Enables secure seating in common toolholders and repeatable reaming performance across setups.
• Left-hand spiral flute with right-hand cutting: Provides efficient chip evacuation and smooth cutting for a clean bore on a range of metals.

By using this reamer, you gain consistent, accurate bores that reduce finishing steps and assembly issues. The taper shank ensures reliable alignment in standard tooling, while the left-hand flute and right-hand cutting offer efficient cutting action and good chip control, contributing to a smoother workflow and fewer tool changes. Supplied by Toolex and manufactured to BS 328/4, it represents a dependable choice for engineers, machinists, and hobbyists seeking predictable results from their reaming operations.