The HSS-E-PM Super B Spiral Flute Tap is a cutting-edge tool engineered for precision in tapping blind holes, particularly in challenging materials like stainless steels. Crafted from premium HSS-E-PM (High-Speed Steel with Powder Metal) enriched with high-speed cobalt, this tap guarantees superior performance and an extended tool life. Its Super-B Coating not only enhances the tap's durability but also elevates its threading capabilities, making it ideal for tackling abrasive materials. Tailored for deep hole tapping with an impressive reach of up to 3 times the diameter, this tap stands out as a reliable and high-performing solution for demanding machining applications, especially in the realm of stainless steel fabrication.Features and Benefits Spiral flute - designed for efficient threading of blind holes DIN Standard - manufactured conforming to the German institute for standardisation Blue Shark Line Range - designed specifically for deep hole tapping in stainless steel