Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 12.57mm

The Toolex Hand Reamer – Spiral Flute, Straight Shank, 12.57 mm – is a precision hand reamer crafted from HSS (M2) for accurate hole enlargement in metalworking. With a straight shank for easy handling, it’s designed for engineers, machinists, workshops, and serious hobbyists who need reliable, consistent results in a range of materials.

This reamer features a left-hand spiral flute and a right-hand cutting edge, aligning with DIN 206-B standards and ISO H5 tolerance to deliver dependable sizing and a clean finish. It is manufactured to order by Toolex Ltd. Please allow 24–48 hours for despatch. Note: if the listing shows “in stock,” that refers to blanks ready to be machined into the final reamer.

• Spiral flute geometry for smooth chip evacuation: Efficient debris removal reduces clogging and promotes a clean, precise hole finish with minimal finishing work.
• Straight shank for easy alignment: The straight shank provides stable seating in common chucks and guides, improving handling and repeatability in busy workflows.
• HSS (M2) with ISO H5 tolerance and DIN 206-B compliance: Durable cutting edge and tight size control ensure long tool life and consistent hole dimensions across jobs.

Using this reamer helps you achieve repeatable, accurate hole enlargements with less rework, smoother finishes, and faster turnaround on projects. The combination of robust materials, precise tolerances, and reliable geometry supports a confident, efficient workflow from setup to finish.