Uxcell 5 Pairs Metric Hand Threading Tap Set M2 Thread 0.4Mm Pitch Taper Plug Product Details Metric Taps: M2 x 0.4 metric taps set. Taper style: starts the thread square with the workpiece. Plug style: generally used in through holes. Applications: The hand threading tap kit is used to re-thread damaged or jammed threads. Suitable for threading mild steels, aluminum, iron, copper, hard plastic. Easy to Use: Hand tapping, mainly used with tap wrenches. Standard thread milling taps are used to thread through holes or shallow and blind holes. Features: Straight flute design, downward chip removal. High speed steel tool is high hardness, high strength, good toughness, and wear resistance. Tips: Add appropriate tapping oil for higher quality internal threads and more durable taps. Without any additional coatings, good for general purpose applications. 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.