OSG Threading Tap - BSW Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 9/16 x 12 Pickup & Retrival Tools the whistle notch shank provides

the whistle notch shank provides secure driving and stable alignment in the chuck or collet

consistent cuts and smoother surface finish

and BSB—reducing the need for multiple inserts and simplifying tool management

and the durable HSS-E body offers long tool life in demanding environments

while the right-hand cutting geometry supports efficient material removal in a variety of production and workshop environments

OSG Threading Tap - BSW Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 9/16 x 12 Pickup & Retrival Tools the whistle notch shank providesThe OSG BSW Spiral Point Threading Tap is a high performance tool designed for precise through hole threading in British Standard Whitworth (BSW) sizes. Built for professional machinists and job shops, it delivers clean, accurate threads with long tool life under demanding tapping tasks. Size & Thread: 9 16" diameter, 12 TPI BSW thread for through hole applications Material: HSS E (high speed steel with cobalt) for enhanced heat resistance and