Time-Sert 12127 Universal Head Bolt Insert M12 x 1.25 x 30 - 10 Pack | eBay
Time Sert 05624 5/16-24 x .620 Stainless Insert 10 Pack | eBay
TIME-SERT Metric Kits ++ thread repair kits and inserts repair stripped threads damaged threads repaired threads threaded inserts for metal thread inserts for metal aluminum inserts threaded inserts for aluminum