IRWIN plug tap delivers professional-grade threading performance for demanding applications. Engineered from high-carbon steel, this 12MM-125MM tap provides superior hardness and wear resistance for extended tool life. The plug design enables efficient chip evacuation and reduced binding during operation, making it ideal for through-hole threading in various materials. Built to withstand rigorous shop conditions, this IRWIN tap combines precision engineering with industrial durability. Perfect for machinists, fabricators, and maintenance professionals who demand reliable, consistent results on every job.