Toolex Reamer - Spiral Flute - Straight Shank - HSS - H5 - 25.16mm is a precision finishing tool designed for machinists who demand tight bore tolerances and clean, true holes. Crafted from high-speed steel (M2) with a straight shank, it pairs a left-hand spiral flute with right-hand cutting for controlled material removal and reliable hole finishing. Diameter: 25.16 mm Material: HSS (M2) high-speed steel Shank: Straight shank Flute direction: Left-hand spiral flute Cutting direction: Right-hand cutting Standards: DIN 212-B Tolerance: ISO H5 Manufacturer: Toolex Ltd. Lead time: Manufactured to order — despatch in 24/48 hours This reamer enables precise, repeatable hole finishing in metalworking projects. The HSS (M2) construction provides robust wear resistance, while the straight shank ensures compatibility with a wide range of tool holders and collets. The combination of left-hand spiral flute and right-hand cutting promotes smooth chip evacuation and stable cutting action, helping you achieve a consistent bore size that meets ISO H5 tolerance. DIN 212-B compatibility ensures easy interchange with other tools in the same family, making it a reliable choice for dedicated reaming operations.