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Its cobalt-enhanced HSS composition offers improved wear resistance for longer tool life under demanding cutting conditions
helping you maintain feed rates and surface quality
it aligns with BS 328/4 quality standards
enabling fast pass/fail decisions and preventing undersized or oversized connections from being installed
well-formed internal threads that resist loosening under load
OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1 x 10 Boring Bar Blank Its cobalt-enhanced HSS composition offersThe OSG BSF Spiral Flute Threading Tap provides machinists and toolmakers with a reliable solution for creating precise internal threads in blind holes. Built from HSS E material and finished with a steam oxide coating, it supports consistent performance during demanding threading operations. Material: High speed steel with cobalt (HSS E) construction maintains edge strength at elevated temperatures. Coating: Steam oxide surface treatment reduces
