Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 21.37 mm

Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 21.37 mm is an intermediate precision M2 high-speed steel reamer designed to finish internal holes to a precise 21.37 mm diameter. It uses a taper shank, left-hand spiral flute, and right-hand cutting to maintain controlled material removal and deliver a true, clean finish.

The ISO H5 tolerance (-0/+0.005 mm) provides dependable hole sizes across production runs, while the taper shank and BS 328/4 standard support secure mounting in compatible holders. Manufactured to order, despatch is typically within 24–48 hours.

• ISO H5 precision tolerance: Ensures consistent hole sizes across production runs with a -0 to +0.005 mm range, reducing rework.
• Durable M2 HSS construction: Delivers a sharp cutting edge and extended tool life when finishing holes in steel and alloy workpieces.
• Taper shank design (BS 328/4): Provides secure mounting and repeatable alignment in standard toolholders, minimizing runout and delivering consistent finishes.

Using this reamer helps you achieve consistent hole sizes with minimal rework, improves workflow by delivering a clean first-pass finish, and supports dependable results across production runs. The combination of a secure taper shank, durable HSS construction, and tight ISO H5 tolerance gives you a reliable tool for precise internal finishing and long service life in everyday workshop use.