Woodworking Tools Router Door And Window Bits, 3 Pcs. 1/4 Inch Shank Router Bit Product Details 1.[Universal Size Router Bit]1/4 inch shank panel cabinet door milling cutter head set. Make sliding rails and stepped cabinet door frames. 2.[MATERIAL] Premium C3 micro-grain tungsten carbide blades, solid hardened steel (45+Hardness) bodies with Anti-Kickback Design, for long-lasting performance, Silver induction brazing for maximum strength and durability, Body: Solid Hardened Steel.Build up with heat-resistant PTFE coating for accumulation can reduce resin accumulation, thereby achieving quick and easy cleaning. 3.[TOOLS AND FIXTURES] Fits most mortising JIGS, For both table mount and handheld ROUTER. 4.[APPLICABLE SCENE] Suitable for plywood, wooden door frames, wooden window frames, cabinets and boxes, solid wood, MDF, particleboard, etc.DO NOT cutting ferrous metal and non wood materials, such as: steel, iron, sand, etc. 5.[Feeding Speed]: 5-8M/Min; [Spindle Speed]:18000-19000RPM, please select the correct casing size and use low speed! 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.