50pcs Thread Repair Insert Set 304 Stainless Steel High Strength Thread Repairing Sleeve M8x1.25x3D

M8x1.25x3D thread repair inserts repair threaded holes economically and effectively. Helps to form a high?strength wear?resistant and high?accuracy female thread. Convenient and quick to convert metric and inch threaded holes dependable to use. Made of SUS304 it has good corrosion resistance heat resistance and mechanical properties. Can be used for low-strength engineering materials such as aluminum alloy zinc alloy copper plastic etc.