Description: Material: 40CRMNTI steel Accuracy: 0.005mm FMB22 with 50-63mm FMB27 with 80mm FMB32 with 100mm Company brief introduction: (XINYAO) Co., Ltd. is a professional CNC tool design, R&D, production, innovative development spirit, Sales of die accessories, machine tool accessories, precision grinder tools, chucks, tool holders, milling cutters, CNC tools, was established in 2008. better service to customers, striving to build XINYAO into a popular and recognized brand in the market, XINYAO company, excellent quality, reputation first, the company establishes a production, sales and service policy, and strives to create high-quality tools. XINYAO Co., Ltd. products have been sold all over the world, has been recognized and supported by a large number of global buyers, has a good reputation in various regions. Let XINYAO Limited become your most trusted partner After-sales guarantee: 1:XINYAO professional after-sales team, quickly and effectively deal with all possible problems, online to solve all after-sales problems for you. 2: The company is responsible for the loss of goods in the course of transportation. Please be assured that you can purchase them. 3: Please open the package inspection product when signing and receiving the goods, confirm that the goods are not damaged before signing and receiving. If the goods are found to be damaged, please take a picture of the damaged products and the tracking number, then sign and receive the goods, contact the company customer service at the first time, and provide effective evidence for the refund.