1Made of high quality carbon steel, wear-resistance, durable in use. 2Steel thread inserts can effectively improve screw connection, greatly improving the reliability. 3Strong resistance to vibration which can prevent loosening, enhance connection strength and improve connection. 4These self tapping thread inserts can be installed directly without pretapping. It can be directly screwed into the specific hole reserved by the base metal. 5Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, etc.Overview:_x000D_Steel thread inserts can effectively improve screw connection, greatly improving the reliability. Used in all kinds of low strength materials, thread inserts can largely improve the wear resistance performance of screw connection, and avoid thread damage._x000D__x000D_Features:_x000D__x000D_Made of high quality carbon steel, wear-resistance, durable in use. _x000D_Steel thread inserts can effectively improve screw connection, greatly improving the reliability. _x000D_Strong resistance to vibration which can prevent loosening, enhance connection strength and improve connection. _x000D_These self tapping thread inserts can be installed directly without pretapping. It can be directly screwed into the specific hole reserved by the base metal. _x000D_Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, etc. _x000D__x000D_Specification:_x000D_Material: Carbon steel_x000D_Weight: 92g/3.2oz_x000D_Surface treatment: Casehardened steel, zinc-plated_x000D_Size & Quantity: _x000D_M2*0.4-M4.5*0.5-6L 10PCS _x000D_M2.5*0.45-M4.5*0.5-6L 10PCS _x000D_M3*0.5-M5*0.5-6L 10PCS _x000D_M4*0.7-M6.5*0.75-8L 10PCS _x000D_M5*0.8-M8*1.0-10L 10PCS _x000D_M6*1.0-M9*1.0-12L 10PCS _x000D__x000D_Package List:_x000D_10 x M2*0.4-M4.5*0.5-6L_x000D_10 x M2.5*0.45-M4.5*0.5-6L_x000D_10 x M3*0.5-M5*0.5-6L_x000D_10 x M4*0.7-M6.5*0.75-8L_x000D_10 x M5*0.8-M8*1.0-10L_x000D_10 x M6*1.0-M9*1.0-12L