1" NPT HSS Pipe Tap, Qualtech - High Performance & Durable Cutting Tool | Drill America Repair Kits Size: 1/2"-#21

Size: 1/2"-#21

Thread Size: #12

Drill America - #00-96 UNS HSS Taper Tap

Wide Range of Sizes: Available in sizes S to 4XL

Victor Flashback Arrestor Kit

1" NPT HSS Pipe Tap, Qualtech - High Performance & Durable Cutting Tool | Drill America Repair Kits Size: 1/2"-#21Also called pipe taps, HSS 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 require the use of a sealer