Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 12.85 mm

The Toolex Reamer, 12.85 mm nominal size, is an intermediate precision HSS (M2) taper shank reamer designed to finish drilled holes to tight, repeatable sizes. Supplied by Toolex Ltd to BS 328/4 specifications, it combines a taper shank for secure mounting with a left-hand spiral flute and right-hand cutting to deliver clean, square holes when used with standard tooling setups. Manufactured to order, please allow 24/48 hours for despatch.

It is machined to ISO H5 tolerance (-0 to +0.005 mm), ensuring consistent hole dimensions across runs. The taper shank provides secure seating in compatible tool holders, minimizing runout, while the flute geometry supports efficient chip removal and smooth cutting for dependable results in everyday machining.

• Secure taper shank mounting: Ensures stable seating in compatible tool holders, minimizing runout and delivering consistent hole sizes.
• Left-hand spiral flute and right-hand cutting: Improves chip removal and cutting efficiency, helping produce a clean, square hole with less resistance.
• ISO H5 tolerance (-0 to +0.005 mm): Provides tight, repeatable hole dimensions for reliable results across multiple parts.

Using this reamer helps you achieve precise, repeatable hole sizes with fewer rework steps, faster setup, and dependable performance in everyday machining. The taper shank enables quick, secure integration with standard machines, while the controlled tolerance and flute geometry contribute to consistent finishes and improved workflow across jobs.