Pipe tap cuts threads in pipes and pipe fittings * Spiral point tap with straight flutes for cutting threads in through holes * Black oxide finish improves lubricity, resists corrosion, and helps prevent buildup * Powdered-metal steel for performance approaching that of solid carbide tools, with the toughness and shock-resistance of high-speed steel * Produces British Standard Pipe Parallel (BSPP) threads for straight pipe threading