ER collet type divided into two kinds of metric and imperial. Their size (metric) can be divided into ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50. English is the most common (such as 1/8 inch, 1/4-inch and 1/2 inch), the accuracy of the AA level can reach 5u. ER collet in its routine use in Huaian tool accessories supply, use the most is the ER11-ER25. Such accounts collet 9/10. The tool has one or more hinge cutter for removal of the machined bore surface of a thin layer of metal rotary tool. Reamer structure consists mostly work part and the shank. Work from some of the major cutting and calibration, the calibration of the inverted taper diameter. The shank is used in machine tool accessories are gripped Huaian price, straight shank and taper shank points. Reamer for reaming holes have been drilled after processing (or reaming) on ??the workpiece, mainly in order to improve the precision machine tool accessories hole Lianyungang supply, improve its surface roughness, is finishing a hole and a half finishing tool, allowance is generally small. Reamer according to usage into hand reamer and machine reamers; by reaming shape into cylindrical and tapered reamer reamer reamer chip flutes direction, there is a straight groove and a spiral groove. The material used for high-speed steel, carbide inserts. Nantong Machine Tool Accessories price | Machine Tool Accessories | Shandong by Shandong Bot Bot Seiko Seiko Corporation. Shandong Bot Seiko Co., Ltd. (www.jsinfo.com.cn) strong, credible, Shandong Jining machining industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Bot Seiko and you hand into the brilliant, for a better future!