Spiral Flutes Screw Plug Tap. -Tap Thread Size : M3 0.5 ,M4x0.7 ,M5x0.8 ,M6x1.0 ,M8x1.25. -Spiral Groove Is Conducive To Remove Crumbs, Not Easily Broken Tap. -Applicable Workpiece: tensile strength 750N / mm 2 or less the low-carbon steel, copper, aluminum, magnesium alloy anti-bonding strength 600 ~ 900N / mm 2 the high-carbon steel, alloy steel, bronze, etc.
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