Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5 - 12.45 mm

The Toolex Reamer delivers precise bore finishes with a 12.45 mm nominal diameter and ISO H5 tolerance. Ground to -0/+0.005 mm, it provides tight, repeatable hole sizes for reliable fits in standard assemblies.

Made from M2 high-speed steel for balanced wear resistance and toughness, this reamer uses a left-hand spiral flute with right-hand cutting to optimize chip control and deliver a clean, consistent finish across materials. Its standard-length taper shank ensures secure mounting in common toolholders, and it is manufactured to BS 328/4 specifications by Toolex Ltd. Built to order to match your tooling needs, despatch is typically within 24–48 hours.

• Exact 12.45 mm bore with ISO H5 tolerance: Ground to -0/+0.005 mm for tight, repeatable hole sizes that fit standard components reliably.
• Left-hand spiral flute with right-hand cutting: Optimizes chip control and delivers a clean, consistent finish across materials.
• Standard-length taper shank for versatile mounting: Fits common toolholders and machines with secure seating, reducing setup time and maintaining alignment during heavy cuts.

This combination gives you predictable hole sizes, smooth finishes, and reliable performance in finishing operations. The M2 high-speed steel construction balances wear resistance with toughness, helping extend tool life and minimize rework. When you choose the Toolex Reamer, you’re selecting a purpose-built solution aligned to BS standards and manufactured to order to match your workflow.