Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 4.89mm

The Toolex Reamer - Taper Shank - Spiral Flute is an intermediate-precision HSS reamer designed to finish holes to a tight ISO H5 tolerance. Sized at 4.89 mm, it features a taper shank with a left-hand spiral flute and right-hand cutting for predictable, clean hole finishes across common engineering materials.

Manufactured by Toolex Ltd to BS 328/4 standards, this M2 high-speed steel tool is made to order to ensure sharpness and accuracy. Despatch is typically within 24–48 hours after order placement.

• ISO H5 tolerance: Holes finish to -0 +0.005 mm, ensuring consistent size and reliable assemblies.
• Left-hand spiral flute with right-hand cutting: Optimizes chip removal and cutting action for smooth, precise finishes.
• Taper shank in HSS (M2): Provides secure seating in holders and durable performance for repeated use.

This reamer helps you achieve consistent hole sizes and smooth finishes, reducing rework and improving part fit. The taper shank design ensures reliable alignment in common tool holders, while the M2 HSS material delivers long tool life under demanding machining tasks. Because the tool is manufactured to order, you can expect a fresh, sharp instrument tailored to your specification within the stated despatch window.