1/4" Extra Long Carbide Square End Mill For Aluminum, Copper Alloy,, 1 Pieces Product Features ?Material?: Cnc 3-Flute Solid Carbide Spiral Router Bit.For Aluminum Alloy And Copper Alloy, Magnesium Alloy, Zinc Alloy,Acrylic, Plywood, OAK, MDF, and Any Hardwood?Etc. ?Dlc Coating?:Dlc(Diamond-Like Carbon) Coating Has Ultra-High Hardness,Low Friction Coefficient, High Temperature Resistance, Good Electrical Insulation, Chemical Barrier, High Thermal Conductivity, Ultra-High Anti-Blocking Performance. ?Adventage?:Surface Finishes Are Greatly Improved No Matter If You Are Roughing Or Finishing Due To Effective Chip Removal; Cut Faster Thanks To Superior Material Removal Rate (Mrr) Especially When Slotting. ?The 45 Degree Helix Angle Design? According To The Characteristics Of Soft Materials Such As Aluminum Alloy And Copper Alloy, It Adopts A 45 Degree Large Helix Angle Design.Greatly Improves The Production Efficiency, Sharp And Durable, Convenient For Chip Removal. ?Package Included?: 1/4" Extra Long (1 Pieces) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!