Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 12.36mm

The Toolex Hand Reamer is a precision finishing tool designed to bring drilled holes to a true, accurate size in metalwork. Made from high-speed steel (M2), it features a spiral flute and a straight shank for steady guiding and smooth, controlled cutting. The left-hand flute with right-hand cutting delivers efficient chip evacuation and consistent hole quality, making it a reliable choice for engineers, tradespeople, and hobbyists alike.

Diameter 12.36 mm with ISO H5 tolerance (D = ISO H5) under DIN 206-B standards, this reamer is supplied by Toolex Ltd and manufactured to order. Please allow 24–48 hours for despatch. If the listing shows “in stock,” that refers to blanks already in stock and ready to be machined into the reamer.

• Left-hand spiral flute with right-hand cutting: Provides controlled material removal and efficient chip evacuation for clean, accurate hole sizing with minimal drift.
• Straight shank for precise guidance: Ensures stable alignment in guides and hand reaming setups, reducing runout and improving hole roundness.
• 12.36 mm nominal diameter with ISO H5 tolerance: Tight, repeatable size control that fits standard setups and delivers reliable, interchangeable results across tools.

This reamer helps you finish holes with precise diameter and smooth surface finish, reducing rework and speeding up workflows. Built from robust HSS (M2) and designed for repeated use in demanding applications, it offers dependable performance for professionals and serious enthusiasts alike. With Toolex’s manufacture-to-order approach, you get a tool that meets stringent standards and a predictable dispatch timeline to keep your projects on track.