Toolex Taper Shank Reamer - Spiral Flute HSS Super Long Length (H5) - 7.70mm

The Toolex Taper Shank Reamer is an intermediate precision HSS (M2) tool designed to finish holes to ISO H5 tolerance. With a taper shank and super long length, it delivers deep-bore reach without sacrificing accuracy, making it ideal for engineers, machinists, and hobbyists tackling challenging bore finishes. The 7.70 mm diameter is paired with a left-hand spiral flute and right-hand cutting for predictable, clean results in demanding applications. This BS 328/4 taper shank reamer is manufactured to order by Toolex Ltd and dispatched within 24–48 hours.

• Taper shank to BS 328/4: Secure fit in standard tool holders and precise alignment for repeatable bore finishes.
• Left-hand spiral flute with right-hand cutting: Efficient chip control and stable cutting, enabling clean finishes in deep or hard-to-reach bores.
• HSS M2, ISO H5 tolerance, and super long length: Durable material with tight size control across extended reach applications, reducing rework and downtime.

Using this reamer helps you achieve consistent bore sizes in deep holes with fewer passes, improving workflow and reducing the need for secondary finishing. The robust M2 high-speed steel and ISO H5 tolerance deliver dependable performance across multiple jobs, while the taper shank and long length provide reliable setup and access in challenging workpieces. For precision finishing tasks where bore accuracy and reach matter, this Toolex reamer offers a trustworthy, ready-to-run solution.