Thread Insert, Wire Thread Insert, Keensert manufacturer / supplier in China, offering British Standard Keensert Insert Phosphor Bronze Material Industrial Use M2*0.4-M4*0.7-3mm, Zinc-Plated Keensert Insert Non-Standard Size for Large Machinery Components M121.75-M161.5-16mm, Keensert Fastener Insert Aircraft Grade Anti-Loosening Ti-Alloy Thread Repair M20*2.5-M30*2.0-30mm and so on.