Toolex Reamer - Spiral Flute - Straight Shank - HSS - H5, 24.55 mm is an intermediate precision reamer designed for finishing holes to ISO H5 tolerance. Built for professional metalworking, it combines a straight shank with a left-hand spiral flute and right-hand cutting to deliver consistent sizing and reliable material removal. Diameter: 24.55 mm Material: HSS (M2) high-speed steel Flute direction: Left-hand spiral flute Cutting direction: Right-hand cutting Shank: Straight shank for compatibility with standard tooling Standard: DIN 212-B Tolerance: D = ISO H5 Supplier: Toolex Ltd Lead time: Manufactured to order; despatch within 24–48 hours Stock note: In-stock status refers to blanks available for immediate machining into the reamer Benefits of this reamer include precise hole finishing to ISO H5 tolerance, improved dimensional control, and a durable cutting edge thanks to M2 high-speed steel. The straight shank ensures secure, repeatable seating in your collet or chuck, while the mixed flute/cutting geometry supports efficient chip evacuation and stable cutting during reaming operations. Ideal for precision drilling, die and mold work, and components requiring tight hole tolerances.