4Mm Shank End Mill Bit 2Mm Cutting Dia. 4 Flutes Alcrn Coated Carbide Square Cnc Product Details SHARPRO Upcut Spiral Router Bit 4mm Shank 2mm Cutting Diameter Solid Carbide CNC End Mill, Ideal for Milling Alloy Steels, Hardened Steel, Metal More ?Specification: 4mm shank, 2mm cutting DIA., 6mm cutting length and 50mm OVL.. Up to HRC45 hardness metals applies to Alloy Steel, Stainless Steel, Cast Iron, and Aluminum. ?Durable: AICrN coated improved heat resistance and wearing quality compared with AITBN, as it contains higher Aluminum. ?Precise: -0.02mm close tolerance guaranteed by 102% quality-check requirements. Variable tooth spacing reduces resonance, minimizing errors due to tool vibrations. ?Compatibility: Compatible with CNC milling machines, CNC product centers, and milling machines, making it versatile for various machining tasks. ?Brand: High-quality guaranteed by SHARPRO self-owned, our factory is equipped with top global brands automation machines, and the unit-level unique serial code enables quality tracking along the way of production. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.