Precise H.S.S. NPT 4 Flute Pipe Tap, 1/4″-18 Thread Size

• American Standard Taper Pipe Threads.
• H.S.S. – High Speed Steel.
• The high-speed steel tool material and grounded threads ensure superior performance at high speeds.
• Hardness: 58 to 60 RC
• Bright Finish.
• Ground Thread.
• Straight Flute.
• NPT pipe taps have a tapered male and female thread and act as both the mechanical joint and the hydraulic seal.
• NPT taps produce threads that require sealant when joined to an external NPT threaded part.
• The square shank is provided to fit well into tap wrenches.
• The threads are formed in the right-hand (clockwise) cutting direction.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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