Helicoil Heli-Coil M5x0.8 Thread Repair Inserts, Pack of 12 (R1084-5) MSRP: Price: 2099-12-31 $15.02 Heli-Coil R1084-5 thread repair inserts are precision-coiled stainless wire inserts designed to restore or reinforce M5x0.8 metric threads in worn, stripped, or damaged holes. Each insert provides a... Add to Cart Add to Cart