6-Piece Npt Pipe Tap Set, Precision Carbon Steel Npt Tap Set For Clean Accurate Product Details Product Description: Our National Pipe Taper (NPT) taps, offers a comprehensive solution for various pipe threading requirements. These specialized taps are perfectly suited for the task of cleaning or re-threading pipes that have become stuck or damaged. Their design and functionality make them highly effective for addressing these specific challenges encountered in pipe maintenance and repair. Features: This NPT tap set includes 6 popular tap sizes: 1?, 3/4", 1/2", 3/8", 1/4" and 1/8". The size is nominal, rather than the actual diameter dimension of the tap. When selecting a tap, you would choose one with the same nominal size as the pipe fitting you intend to thread or create threads in. With this range of sizes, you can easily tackle a wide variety of projects. The NPT taps come neatly packed in a sleek plastic case, offering protection against rust and enabling easy storage and quick access to your pipe threading tools. Specifications: The NPT thread design provides a tapered form that creates a solid and leak-free connection between pipes and fittings. The NPT thread specifications for each size are as follows: The 1/8" NPT tap has a threading density of 27 threads per inch. The 1/4" NPT tap has a threading density of 18 threads per inch. The 3/8" NPT tap has a threading density of 18 threads per inch. The 1/2" NPT tap has a threading density of 14 threads per inch. The 3/4" NPT tap has a threading density of 14 threads per inch. The 1" NPT tap has a threading density of 11.5 threads per inch. 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.