Dwt Series, Uncoated (Bright), Small, Carbon Steel, Drill America, 1/4"). 6 Piece Carbon Steel NPT Pipe Tap Set with Sizes 1/4", 3/8", 1/2", 3/4", 1" and 1-1/4" in Wood Case Carbon steel pipe taps are designed to clean and or re-thread damaged or jam pipe threads Also called 'pipe taps', National pipe taper taps are appropriate for Threading a wide variety of materials both ferrous and non-ferrous. The nominal size of a pipe Tap is that of the pipe fitting to be tapped, not the actual size of the Tap. The thread tapers 3/4 of an inch per foot. All pipe taps furnished with a 2-1/2 to 3-1/2 thread chamfer. Not threads require the use of a ?sealer? like Teflon tape or pipe compound. Product Features Carbon steel pipe taps are designed to clean and or re-thread damaged or jam pipe threads Also called 'pipe taps', National Pipe Taper (NPT) taps are appropriate for threading a wide variety of materials both ferrous and non-ferrous. The nominal size of a Pipe Tap is that of the pipe fitting to be tapped, not the actual size of the tap. The thread tapers 3/4 of an inch per foot. All Pipe Taps furnished with a 2-1/2 to 3-1/2 thread chamfer. 6 Piece Set of Carbon Steel NPT Pipe Taps, Sizes /4", 3/8", 1/2", 3/4", 1" and 1-1/4" 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!