Damaged threads in your heavy-duty equipment lead to lost productivity and expensive repairs. HELI-COIL PRODUCTS, INC. HEC-R1185-6 thread inserts offer a superior solution. This 12-pack of 3/8"-16 NC helical inserts provides a quick and effective way to repair stripped or damaged threads in various materials, including aluminum, magnesium, cast iron, and bronze. Unlike other repair methods, HELI-COIL inserts restore threads to their original strength, ensuring a long-lasting and reliable repair. Their free-running design simplifies installation, reducing labor costs and minimizing downtime. Imagine the efficiency gains of quickly repairing critical components like spark plug ports, oil drain plugs, or transmission housings, without the need for costly replacements or extensive machining. HELI-COIL HEC-R1185-6 inserts are the industry standard for thread repair, providing a superior solution for maintaining your fleet's operational efficiency. Invest in the reliability and longevity of your fleet today. Choose HELI-COIL for superior thread repair solutions. The HEC-R1185-6, a 12-pack of precision-engineered inserts, is your go-to solution for preventing costly downtime and ensuring the peak performance of your valuable assets. This investment in preventative maintenance directly translates to increased uptime and overall fleet efficiency.