Genmitsu 40Pcs End Mills Cnc Router Bits, 1/8" Shank Cnc Cutter Milling, Mc40A Product Features High Quality: The Genmitsu end mills are made of ultra-fine 0.2?m tungsten carbide steel alloy that can keep continuous machining 800 minutes. Moreover, its Nano Blue Coating /Titanium Coating with high hardness and heat resistance enables the tool's cutting edge to retain crucial sharpness and lubricity. This provides longevity and produces cutting results of the highest quality. 2-Flute Spiral Flat Nose Ball Nose End Mills -- Shank Diameter: 3.175mm, Cutting Diameter: 3.175mm, Cutting Length: 17mm, Overall Length: 38mm. Two End Mill Sets -- Shank Diameter: 3.175mm, Cutting Diameter: 0.8 - 3.0mm (0.8/1.0/1.2/1.4/1.6/1.8/2.0/2.2/2.5/3.0mm), Cutting Length: 17mm, Overall Length: 38mm, with Nano blue and Titanium coating. Applicable Materials: Widely used in various materials including plastics, aluminum, circuit board, wood, as well as other precision parts processing. Wide Compatibility: The MC40A end mills are compatible with most desktop CNC machines, such as the Genmitsu 3018 Series, as well as other industrial CNC machines. Just make sure you select the correct-sized collet for your device 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!