戻る
Please check the following as a countermeasure in the event of galling or gnawing of the internal thread during tapping.
- Check if the tap is right on the workpiece material.
・ Check whether the part with the bite is worn
・Increase the lubricity of the cut oil (if it is water-soluble, increase the concentration of the oil.) ）
Use taps with surface treatment (homo treatment, coating treatment)
・ Select a long chamfer
Use a sharp tap.