Product Details
The M14-1.25 carbon steel insert for metal, made in the USA, is designed for thread repair applications. It features a part number of 329-1412 and is specifically tailored for spark plug installations. The dimensions of the insert are M14-1.25 x 3/4-16 x .703". Constructed from high-quality carbon steel, this insert provides durability and strength for reliable performance in metal threading repairs. The product meets industry standards and is compliant with relevant certifications.








