OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1 x 10 Boring Bar Blank designed for machinists who need

designed for machinists who need reliable bore accuracy across a range of materials

well-formed internal threads that resist loosening under load

enabling fast pass/fail decisions and preventing undersized or oversized connections from being installed

helping you maintain feed rates and surface quality

Its cobalt-enhanced HSS composition offers improved wear resistance for longer tool life under demanding cutting conditions

OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1 x 10 Boring Bar Blank designed for machinists who needThe 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