YMW Bottoming Thread Forming Roll Tap, 1/4″-20 Thread Size, H6 Thread Limit

• Vanadium H.S.S. – High Speed Steel
• Finish Coating: Black Oxide
• Improved performance, new tap design.
• Series: N-RS ROLL TAP
• Flute Shape: Fluteless
• Taps have a nitride surface toughening treatment.
• Pitch Form & Profile: 60
• Pitch Tolerance: +.00025″/-.00000″
• Tolerance_Cutter Diameter: .31″
• Tolerance_Cutting Diameter: .31″
• Tolerance_Overall Length: .31″
• Tolerance_Shank: -.0015″
• Tolerance_Shank Square: -.004″
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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