Alfa Tools TI66250K M12 x 1.75 Helical Thread Repair Kit

The Alfa Tools TI66250K M12 x 1.75 Helical Thread Repair Kit is a professional-grade solution for repairing damaged or stripped metric threads and reinforcing new threads in softer materials. Designed and manufactured to meet ASME B18.29.1 and ISO 68-1 standards, this complete kit includes high-strength stainless steel helical inserts, a properly sized STI tap, an installation mandrel, and a tang break-off tool for quick, precise, and permanent thread restoration. The free-running inserts restore original thread dimensions while improving strength, wear resistance, and vibration performance. Ideal for automotive, aerospace, machinery, and maintenance applications, the TI66250K ensures reliable, corrosion-resistant threads that extend service life and improve load capacity in high-stress and high-torque assemblies.