Toolex Taper Shank Reamer - HSS Spiral Flute Long Length (H5) - 21.17mm

The Toolex Taper Shank Reamer is an HSS spiral-flute, long-length tool designed to deliver precise hole finishing in metalworking. The 21.17 mm size is built from M2 high-speed steel to provide durable wear resistance during repeated reaming. Featuring a BS 328/4 taper shank and ISO H5 tolerance, it seats securely in standard toolholding and delivers consistent hole sizes.

Its left-hand spiral flute with right-hand cutting optimizes chip evacuation and provides a stable, controllable cutting action for a smooth, accurate bore. Manufactured to order by Toolex Ltd, despatch is typically within 24–48 hours to fit production schedules.

• Durable HSS M2 long-series construction: Delivers long wear life and reliable performance through repeated reaming cycles, even in tougher alloys.
• BS 328/4 taper shank with ISO H5 tolerance: Ensures a secure fit in standard machines and preserves hole size accuracy across production runs.
• Left-hand spiral flute with right-hand cutting: Optimizes chip evacuation and provides stable, precise bore finishing for a smooth final diameter.

Used correctly, this reamer helps you finish parts faster with repeatable hole sizes and smooth bores, reducing the need for rework and keeping projects on schedule. The combination of rugged HSS, a proven taper shank standard, and tight tolerance supports reliable results across a range of metals, whether in production settings or hands-on workshops.