Torn thread problems in pipe tapping on machining centers with a SP-PT tap

【英】困ったときの知恵袋詳細

Cutting Taps Pipe Threads Trouble Shooting

I occasionally have torn threads when I'm tapping on a machining center with a SP-PT (Spiral Fluted Tap for Taper Pipe Threads) Can you recommend a solution?

Chip jamming is one of the reasons for torn threads. This could be avoidable by changing from a SP-PT tap to a SP-S-PT tap.

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