12 Piece Carbon Steel NPT Pipe Tap and Die Set (1/8" 1/4" 3/8" 1/2" 3/4" and 1" in Wooden Case) Shopify Collective The head of the wrench

The head of the wrench is ground smooth and has a lightly oiled surface

Part Number DEWSFC1-60

The certificate includes the initial accuracy

Part Number: DUR229-95-17-IND

Part Number DWDRSD29

12 Piece Carbon Steel NPT Pipe Tap and Die Set (1/8" 1/4" 3/8" 1/2" 3/4" and 1" in Wooden Case) Shopify Collective The head of the wrenchProduct Description Also called pipe taps, carbon steel NPT pipe taps are designed to clean and or re thread damaged or jammed pipe threads. They are appropriate for threading a wide variety of materials both ferrous and nonferrous. 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 NPT threads