50PCS Self Tapping erts for M3 M5 M6 M8 M10 For M12 High Strength Stainless Steel for Effective Thread Reinforcement

High-concerned chemical：None Origin：Mainland China Feature 1：stainless Steel Feature 2：Self Tapping Thread Inserts Feature 3：Thread Adapter Screw

High-concerned chemical: None Origin: Mainland China Feature 1: stainless Steel Feature 2: Self Tapping Thread Inserts Feature 3: Thread Adapter Screw