1/8" Shank End Mills Cnc Router Bits, 40Pcs, Cnc Cutter Milling Carving Bit, Product Details ?What you will get?1 set 2-Flute Flat Nose Sprial Bit(3.175x17x38mm), 1 set 2-Flute Ball Nose Sprial Bit(3.175x2x17x38mm), 1 set Titanium Coat End Mill(0.8-3.0mm), 1 set Nano Blue Coat End Mill?0.8-3.0mm??totally 40pcs CNC Router Bits ?The 2-Flute Spiral Flat Nose Ball Nose End Mills: Shank Diameter: 3.175mm(1/8inch), Cutting Diameter: 3.175mm, Cutting Length: 17mm, Overall Length: 38mm.(Note: The Ball Nose End Mills's cutting diameter is 2mm) ?The Coat End Mill: Shank Diameter: 3.175mmm(1/8inch), 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 yellow coating. ?Excellent Performance: The milling router bits as a whole uses tungsten steel for high-precision processing, smooth chip removal, with high precision, durability, not easy to wear, long service life and so on, they will be a nice carving Tool?greatly improving your engraving work efficiency. ?Applicable materials and uses:These engraving Bit can be used in a wide range of materials including solid wood, wood paneling, bakelite, carbon fiber, PCB boards, and plastics, etc. And the bits measure 3.178mm (1/8inch) and are compatible with most benchtop CNC machines and engraving machines such as the 3018 series as well as other industrial CNC machines. 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.