End Face Milling Cutter Holder Steel Durable Housing Adapter CNC Machine Parts. Product Name: Face Mill Tool holder. Overall clamping Precision: 0.010.015mm. Product Precision: =0.005mm. Material: High Quality 20CrMnTi Steel. True roundness: 0.8 u. Carburizing depth: 0.8 u. Surface roughness: 0.8 u. Standard speed: =10000 RPM. This product is suitable for all products of D size in the dimensional drawing. Manual measurement may have errors, please understand! Note: If the 45L product is out of stock, products of other lengths will be sent by default. The product is made of High Quality 42CrMnTi Steel and processed by the current advanced quenching and hardening technology to make the product harder, more concentric, and improve work efficiency. The accuracy of the product is 0.005mm, and the accuracy of the whole assembly is 0.010.05mm, which can help you complete the production of high-quality products. There may be some delays due to flight, holiday, weather, local post, local natural disaster impact. It must also be in the original packaging.