CoroReamer® 830 High-feed, exchangeable head for through holes CoroReamer® 830 features an exchangeable cutting head that can easily be replaced directly in the machine tool spindle. A precision-made tapered coupling secures the head, ensuring high concentricity and repeatability. Application — For steel, nodular cast iron and malleable cast iron materials — Through holes, angled surface and cross holes — Diameter range: 10–31.75 mm (0.394-1.250 inch) — Hole tolerance: H7 — Brazed cermet inserts in grade P10R Features and benefits — High surface finish and operation security — High penetration rates — Fast and easy head change with high accuracy < 3 µm (120 µinch) ISO application areas — Effective chip evacuation by directing cutting fluid at each edge — Short and long shank options Fast and accurate clamping Clamping and releasing of the cutting head is carried out by turning the clamping mechanism only a quarter of a turn using a hexagonal key. 629