10 pieces machine reamers, reaming tool, cutting machine reamer 3/4/5/6/7/8/9/10/11/12 mm, milling reamers for machining holes, HSS H7 milling reamer with straight groove

General descriptionThese 10 pieces machine reamers are designed for precision machining of holes. Made from high-speed steel, they offer exceptional hardness and durability, making them suitable for a variety of materials.Technical specificationsSizes: 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mmMaterial: High-speed steel (HSS)Surface treatment: Suitable for iron, plastic, wood, copper, aluminum, and other soft materialsUsageApplicable for friction molding and handcraftingWidely used for drilling processingCompatible with drilling machines and milling machines