E-Z LOK - 653-6 E-Z Lok Externally Threaded Insert, 303 Stainless Steel/Metric, M6-1.0 Internal Threads, 3/8"-16 External Threads, 10.31mm Length, Made in US (Pack of 5): Amazon.com: Industrial & Scientific
Thread Repair Insert, 50 PCS SS304 Stainless Steel Coiled Wire Helicoil Thread Repair Insert Assortment Kit M6 x 1.0 x 3D Length: Amazon.com: Industrial & Scientific
E-Z LOK Knife Threaded Insert for Hard-Wood, Stainless Steel Thread Inserts M8-1.25-(Pack of 20,100 Count Total): Amazon.com: Industrial & Scientific