Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 12.50 mm

The Toolex Reamer is a 12.50 mm diameter taper‑shank reamer, built from M2 high‑speed steel for durable, reliable bore finishing. It is designed for metalworking professionals who need precise, repeatable hole sizes with minimal rework.

Its taper shank delivers a secure toolholding, while a left‑hand spiral flute with right‑hand cutting provides controlled material removal and clean bore edges. Manufactured to BS 328/4 standards by Toolex Ltd, this reamer is ISO H5 tolerant (−0, +0.005 mm) and is supplied as a made‑to‑order item with a 24–48 hour despatch window.

• Secure taper-shank toolholding: Delivers a stable fit in compatible holders, reducing runout and promoting consistent bore accuracy.
• Left-hand spiral flute with right-hand cutting: Enables controlled material removal and clean bore edges across materials, reducing rework.
• ISO H5 tolerance and M2 HSS construction: Guarantees repeatable hole sizes at 12.50 mm and long tool life across production runs.

Using this reamer helps you finish holes to exact specifications, streamline workflows, and minimize rework. The combination of M2 HSS durability, tight ISO H5 tolerance, and secure taper‑shank design supports dependable results in both workshop and production environments, helping you maintain consistent bore quality and reliable performance over many cycles.