Adjustable Hand Reamer, 8 Pieces Hss Clamping Reamers Machine Reamer 3/4/5/6/7/8/9/10mm For Reaming Machining Installed In Drill Milling Machine JiujiThe product is shipped based on the color or size of the main image of the product page.[Improve Hole Accuracy]: After using this set of machine reamers, the hole size and shape can be increased to effectively improve its precision[High Speed Steel]: This inch reamer set is made of high quality high speed steel, with strong hardness and good durability[Sharp edge]: These collet reamers have a sharp edge, which can effectively improve cutting efficiency[Reduce its surface roughness]: This high-speed steel reamer is easy to install and operate, which can effectively reduce the surface roughness of the hole[Range of application]: This machine reamer has a shank diameter of 3/4/5/6/7/8/9/10mm, which can be widely used for drilling and installing in drilling and milling machinesDescription:Machine reamer is used for reaming workpieces which have drilled holes, mainly to improve hole precision 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 machining hole size and shape 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 craft processing.- Widely used for boring machining, installed in drilling machine, milling machine, etc.- Surface treated iron, steel, plastic, wood, copper, aluminum and other metal materials.