Regal Metric H.S.S. Bottoming Thread Forming Tap, 4mm X .70mm Thread Size

• H.S.S. – High Speed Steel
• Finish Coating: Bright
• For internal threading without chips in ductile materials.
• Cutting Direction: Right Hand
• Flute Shape: Straight Flute
• Hardness: 58 to 60 RC
• Great for tapping aluminum, low carbon steel, stainless steel, die castings, brass, copper, zinc & alloy steel.

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