OSG Threading Tap BSF A-Spiral Point - Powder Metal Right Hand -TiCN Coated - Through Holes DIN2184-1 - 7/16 x 18Engineered for durable, precise BSF threading in through holes, the OSG BSF A Spiral Point Tap is the go to tool for professionals who demand reliability in British Standard Fine threads. Built for high speed tapping in demanding materials, it combines a powder metal body with a TiCN coating to extend tool life and maintain cutting performance. Thread Type: British Standard Fine (BSF) Size x Pitch: 7 16 in, 18 TPI Point Style: A Spiral Point designed