[Improve Hole Accuracy]: After using this machine reamer set, the size and shape of the hole can be increased to effectively improve its accuracy [High Speed Steel]: This inch reamer set is made of high-quality high-speed steel, with strong hardness and good durability [Sharp Cutting Edge]: These chuck reamers have a sharp cutting edge, which can effectively improve cutting efficiency [Reduce Surface Roughness]: This high-speed steel reamer is easy to install and use, which can effectively reduce the surface roughness of the hole [Application Range]: This machine reamer has a shank diameter of 3/4/5/6/7/8/9/10mm, which can be widely used for drilling and installation in drilling and milling machines Description: The machine reamer is used to ream parts that have drilled holes, mainly to improve the accuracy of the hole and reduce its surface roughness. With many blades, the machine reamer cuts and removes the thin layer of metal on the surface of the hole that has been processed. After processing a reamer, the size and shape of the machining hole can be accurate. Features: - Made of high speed steel, high hardness. - Sharp, high cutting ability, high precision, long service life. - Applicable for reaming for mold processing and handicraft processing. - Widely used for reaming machining, installed in drilling machine, milling machine, etc. - Surface processed iron, steel, plastic, wood, copper, aluminum and other metal materials. Specifications: Material: High Speed Steel Shank Diameter: 3/4/5/6/7/8/9/10mm Quantity: 8 Package Includes: 1 Set (8 (pcs) x Machine Reamers Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.