Nachi H.S.S. DLC Coated High Performance Thread Forming Bottoming Tap, #4-40 Size, H5 Thread Limit

• H.S.S. – High Speed Steel
• Cutting Direction: Right Hand
• More radial sections for higher accuracy of internal threads.
• Diamond like carbon coating (DLC) for tapping in aluminum, alloy and copper.
• Made from vanadium high speed steel material.
• Hardness: 58 to 60 RC
• Flute Shape: Thread Forming
• Bottoming style taps.
• Clean and accurate formed threads.

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