Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 21.45 mm

Toolex Reamer — Taper Shank, Spiral Flute, Standard Length, HSS (M2) with ISO H5 tolerance. This intermediate-precision reamer finishes holes to tight size control (ISO H5: -0 / +0.005 mm) and features a 21.45 mm diameter with a taper shank that fits standard toolholders. The left-hand spiral flute coupled with right-hand cutting delivers controlled material removal for a clean, accurate bore. Supplied by Toolex Ltd to BS 328/4 standards, and manufactured to order—please allow 24/48 hours for despatch.

• ISO H5 tolerance for precise holes: Keeps bore size tightly controlled (-0 to +0.005 mm) to minimize finish passes and rework.
• Left-hand spiral flute with right-hand cutting: Creates a smooth, predictable cut with efficient chip evacuation for a clearer bore profile.
• Taper shank in standard length for secure toolholding: Ensures rigid alignment in common chucks and fixtures, reducing runout and improving bore accuracy.

This reamer supports consistent results across finishing operations, helping you complete parts to spec more reliably. With M2 HSS construction, it offers durable performance in a range of steels and alloys, and the build-to-order approach from Toolex ensures you receive a fresh tool tailored to your workflow—minimizing downtime and helping you achieve repeatable bore quality on every job.