OSG Threading Tap BSW A-Spiral Point - Powder Metal Right Hand -TiCN Coated - Through Holes DIN2184-1 - 1/8 x 40The OSG Threading Tap, BSW A Spiral Point, is a right hand through hole tap engineered for accurate British Standard Whitworth threads. Designed for reliable production and repair work, it delivers clean, consistent threads in through holes with every cut. Thread size and standard: 1 8 in diameter, 40 TPI BSW, engineered for through hole DIN 2184 1 tapping. A Spiral Point geometry: Improves chip evacuation and enables fast, smooth thread start up.