Carmex Threading Tap - Forming Tap (Roll) - BSP Supercut Tap - Powder Metal - 3/8 x 19The Carmex Threading Tap is a forming tap (roll) engineered for British Standard Pipe (BSP) threads. Built for professionals who demand reliable, precise BSP tapping in demanding materials, it delivers consistent results with every pass. Tap type: Forming (roll) tap that forms threads by plastic deformation, delivering precise BSP threads with reduced waste. Size and pitch: 3 8 in diameter with 19 TPI, optimized for BSP applications and common pipe