Toolex Reamer – Spiral Flute, Straight Shank, HSS (M2) with a precise 18.39 mm diameter. This left-hand spiral flute reamer, paired with right-hand cutting, is crafted for accurate bore finishing to ISO H5 tolerance, making it ideal for professional metalworking setups. Diameter: 18.39 mm Material: HSS (M2) high-speed steel for wear resistance Flute direction: Left-hand spiral flute with right-hand cutting Shank type: Straight shank for compatible tool holders Standards: DIN 212-B; Tolerance D = ISO H5 Brand: Toolex Ltd Production: Made to order; despatch within 24–48 hours Stock note: In-stock status refers to blanks; reamer manufactured to order to your spec This reamer delivers a precise bore size with controlled tolerance, supporting clean finishes and reliable hole accuracy in precision engineering projects. The combination of HSS M2 material and DIN 212-B specification ensures durability and compatibility with standard tooling setups, while the make-to-order production keeps tolerances aligned with your exact needs.