Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 20.50 mm

This 20.50 mm Toolex Reamer is an intermediate precision taper-shank tool crafted from M2 high-speed steel (HSS). Ground to ISO H5 tolerance (-0 to +0.005 mm), it delivers repeatable hole finishes with tight size control for production and repair work. Supplied by Toolex Ltd to BS 328/4 standards, it is designed to mount securely in standard taper-shank holders for consistent accuracy.

Left-hand spiral flute combined with right-hand cutting provides efficient material removal and smooth finishes. The tool is manufactured to order, with a 24/48 hour despatch window, ensuring you receive a freshly ground reamer tailored to your setup.

• ISO H5 tolerance for repeatable hole sizes: The reamer is ground to ISO H5 (-0 +0.005 mm), delivering tight size control and consistent finishes across parts.
• Taper shank in M2 HSS for durability and alignment: The standard taper shank provides secure seating in compatible holders, while M2 high-speed steel resists wear for longer life.
• Left-hand spiral flute with right-hand cutting: Optimizes chip evacuation and surface finish, reducing chatter and improving control during finishing passes.

Whether you’re producing precision components or performing maintenance repairs, this reamer helps you achieve clean, accurate holes with less downtime. The combination of tight ISO H5 tolerances, a stable taper shank, and robust HSS construction supports consistent results across batches, while the make-to-order production ensures the tool arrives sharp and ready for use. For engineers, machinists, and workshop technicians, it delivers dependable performance in standard machine setups with minimal fuss.