Precision HSS reamer with a straight shank and left-hand spiral flute, crafted for accurate hole finishing in metalworking. Supplied by Toolex Ltd, this tool is built to DIN 212-B standards and delivers ISO H5 tolerance for reliable, repeatable results. Diameter: 39/64" Material: High-speed steel (HSS, M2) Flute: Left-hand spiral flute Cutting direction: Right-hand cutting Shank: Straight shank Standards: DIN 212-B; Tolerance ISO H5 Supplier: Toolex Ltd Manufacturing: Made to order; dispatch within 24–48 hours Notes: If the listing shows “in stock,” this refers to blanks ready to be manufactured into the reamer Benefits: Achieve precise, smooth-hole finishing with tight size control and good roundness. The straight shank provides rigid alignment in collets or chucks, while the HSS (M2) composition offers durability for repeated reaming in standard metals. Ideal for workshops and production environments where consistent hole quality and predictable tool life matter for critical components and assemblies.