OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 9/16 x 16The OSG BSF Spiral Flute Threading Tap in 9 16 x 16 is a precision tool built for machinists who need robust, accurate BSF threads in blind holes. Crafted from HSS E cobalt and finished with a steam oxide coating, it delivers standout durability and heat resistance for demanding threading tasks. Size and Thread: 9 16" diameter, 16 TPI BSF (British Standard Fine) threading, optimized for blind hole work Material: HSSE (high speed steel with cobalt) for
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OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 9/16 x 16