The Guhring 1088 1/4 NPT HSS-E TiN Blue Ring Spiral Flute Tap WN 31 is a high-quality metalworking tool manufactured in Germany. This tap features a 1/4 inch - 18 thread size and a spiral flute design, making it ideal for various machining applications. With its durable construction and precise cutting abilities, this tap from Guhring is a reliable choice for professionals in the field of CNC, metalworking, and manufacturing. Cobalt