Features Comprehensive Set: This NPT pipe tap set includes 6 taps in various sizes, each stored in a separate plastic box, making it convenient for storage and transportation. Material: Made of high-speed steel, these pipe thread taps are designed to cleanly and efficiently cut female threads, making them ideal for cleaning or re-threading blocked or damaged pipes. Versatile Usage: The uncoated HSS tap tools are suitable for a wide range of applications, requiring no additional treatment or coating. Efficient Chip Collection: The straight groove design allows for effective chip collection during cutting, making these taps ideal for most shallow cutting applications. Accurate Threading: Featuring right-hand cut accurate grinding threads and a square-ended round shank with four straight grooves, these NPT taps ensure precision and efficiency in pipe threading. Features: 1、PACKAGE INCLUDE: NPT tap set contain 1/8？27, 1/4？18, 3/8？18, 1/2？14, 3/4？14, 1？11.5 taps, each in a separate plastic box, easy for you to store and carry to use 2、EXCELLENT HSS: This pipe thread tap set is made of excellent high speed steel and is designed to cut female threads cleanly and efficiently. Ideal for cleaning or re threading blocked or damaged pipes 3、WIDE APPLICATION: Uncoated HSS tap tools have only a base and do not require any additional treatment or coating for a wide range of applications 4、CHIP COLLECTION: Straight groove tools allow chips to be collected in the groove during cutting and are ideal for most applications in shallow cutting 5、ACCURATE AND EFFECTIVE: These NPT taps feature right hand cut accurate grinding threads, square ended round shank, with four straight grooves, which together ensure accuracy and efficiency in pipe threading Specification: Item Type: NPT Pipe Tap Set Material: 6542 High speed steel Size(NPT): 1/8-27, 1/4-18, 3/8-18, 1/2-14, 3/4-14, 1-11.5 Package List: 1 x 1/8-27 NPT Pipe Tap 1 x 1/4-18 NPT Pipe Tap 1 x 3/8-18 NPT Pipe Tap 1 x 1/2-14 NPT Pipe Tap 1 x 3/4-14 NPT Pipe Tap 1 x 1-11.5 NPT Pipe Tap 6 x Storage Box Package List 1 x 1/8-27 NPT Pipe Tap 1 x 1/4-18 NPT Pipe Tap 1 x 3/8-18 NPT Pipe Tap 1 x 1/2-14 NPT Pipe Tap 1 x 3/4-14 NPT Pipe Tap 1 x 1-11.5 NPT Pipe Tap 6 x Storage Box