Precision HSS-E reamer with straight shank and extra-long reach for accurate, repeatable hole finishing. The tool features a left-hand spiral flute and right-hand cutting, delivering precise results at a 3 mm diameter with a D = H7 tolerance. Diameter: 3 mm Material: HSS-E (M42 Cob) cobalt steel Flute type: Left-hand spiral flute Cutting direction: Right-hand cutting Shank: Straight shank Length: Extra long length Series: Super long series Tolerance: D = H7 This reamer is designed to deliver a clean, accurate bore with tight tolerance, making it ideal for precision metalworking applications where hole size accuracy and smooth finishes matter. The extra-long reach helps you access deeper bores without compromising rigidity, while the straight shank ensures secure mounting in standard chucks and collets. The combination of HSS-E cobalt composition and the specified flute and cutting directions provides durable performance and reliable results across multiple reaming tasks.