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Is it possible to support deep hole drilling with A-SFT?
The A-SFT supports effective thread depths up to 2.5D (2.5 times the outer diameter of the thread).
It is not recommended for deep hole processing exceeding 2.5D.
If the workpiece material is carbon steel and the thread length exceeds 2.5D in diameter, use MS-DH-SFT.
References: For mild steel and deep holes spiral fluted tap }}
(FAQID:629)