Aluminum End Mill Accessories Parts Single Flute 2Pcs Extension Useful DESCRIPTIONFeatures: * brand new and high quality * Made of high quality material, and practical to use * The perfect combination of upper and lower cutter, cutting edge; * High-precision grinding and polishing, high wear resistance and temperature resistance, good rigidity and not easy to break; * Up and down spiral processing without burrs; * High performance, improve work efficiency and reduce costs; * Application: CNC router processing center, woodworking machinery, advertising CNC router, etc.; Specification: * Material: High Quality Microcrystalline Tungsten Steel Hard Alloy * Type: Single-Turn Spiral Carbide End Mill * Cutting Diameter: 4mm(Approx.) * Flute Length: 22mm(Approx.) * Shank Diameter: 4mm(Approx.) * Total Length: 50mm(Approx.) * The Most Suitable Material: Aluminum * Also applicable to the following materials: (1) MDF, particle board, board, rubberized, logs, attached to the board; (2) acrylic, PVC, resin, plastic, particle board, composite board, melamine board; (3) solid wood, logs, plywood, lotus plate; Package Contents: 2*End Mills Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.POLICESShippingPaymentWARRANTY We only ship to confirmed ebay Order addresses. Please comfirm that your Order address is in line with your shipping address. Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. It takes about 7-15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance. Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message. We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.