Difference between A Tap and VP-SFT
A-SFT is recommended up to 30HRC. VP-SFT is recommended for harder materials (30~42HRC).
References: A Tap Series
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Difference between A Tap and VP-SFT
A-SFT is recommended up to 30HRC. VP-SFT is recommended for harder materials (30~42HRC).
References: A Tap Series