Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 21.06 mm

Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 21.06 mm is an intermediate precision reamer built from M2 high-speed steel. The taper shank enables secure seating in compatible tool holders, delivering reliable alignment and repeatable hole sizes. The 21.06 mm size provides a precise finishing option for a range of machining tasks.

It features a left-hand spiral flute and right-hand cutting, designed to efficiently enlarge or finish holes with consistent surface quality. Manufactured to BS 328/4 by Toolex Ltd, it is held to ISO H5 tolerance (-0 +0.005 mm). This product is manufactured to order; please allow 24/48 hours for despatch.

• ISO H5 tolerance with secure taper shank: Delivers tight size control and solid seating in compatible holders, minimizing runout and rework.
• Left-hand spiral flute with right-hand cutting: Enables efficient material removal and stable cutting action for clean, precise hole finishes.
• M2 high-speed steel, BS 328/4 specification: Provides durable performance and heat resistance for repeated use in demanding applications.

This reamer helps deliver repeatable, accurate hole sizes with a reliable finish, supporting faster setups and fewer adjustments in metalworking, fabrication, and maintenance tasks. The taper shank and robust HSS construction work together to enhance consistency and tool life across multiple jobs.