Phantom HSS Hand tap set ISO 529 BSW (Whitworth), 3-pc

Professional Phantom HSS Hand Tap Set (ISO 529), 3-piece, for manually cutting BSW (British Standard Whitworth) threads. Manufactured from high-quality high-speed steel (HSS) for reliable performance in general-purpose steels. This set consists of three taps, all of which cut the same nominal finish size (in accordance with ISO 529). The system distributes the cutting load in stages, with the taps differing only in their varying short, medium, and long cutting lengths. This design ensures a highly controlled and precise formation of the thread profile, ideal for through holes and (with the short lead) for tapping close to the bottom of blind holes.

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