Rshuhx M3 M4 M5 M6 Bolts and Nuts Machine Screw and Nut 304 Stainless Steel Cross Pan Head Machine Round Head Screws Assortment Kit 320PCS for Machine Furniture Toy Electronic Products Repair Fastener

【Combination Size】 Our hexagon socket screws and nuts: M3: M3X10, M3X20, M3X25, M3X30;M4: M4X10, M4X20, M4X25, M4X30;M5: M5X10, M5X20, M5X25, M5X30;M6: M6X10, M6X20, M6X30, M6X40 , each size 40pcs(M3 M4 M5 M6) . A total of 320pcs, 16 kind of models. One purchase can meet your multiple needs. Both M3 M4 M5 M6 bolts and nuts will be placed in a transparent plastic box with matching labels, easy to use and install. 【High-quality material】 screws and nuts made of 304 stainless steel,sturdy and durable,not easy to rust and corrosion resistant, which has high hardness, oxidation resistance and durability. Bolts and Nuts Set are anti-rust, anti-corrosion and wear resistance. Can work well in humid environment 【 Nuts and bolts Set Details 】Nuts and bolts comply with metric standards, and 304 stainless steel is very strong and durable. The surface is smooth without burrs. Our threads are very clear and accurate, the thread distance is about 1mm, and the tight threads are not easy to deform and slide during use. 【Widely used 】Hex bolts can be widely used in various precision machinery, classification equipment, electronic products, household appliances, communication products, lights, toys, bicycle maintenance, etc. Our round head screws are suitable for professionals, hobbyists, owners, craftsmen and other DIY enthusiasts, maintenance workers 【After-sales service:】When you receive the bolts and nuts Kit for the first time, if you find any problems with the product, please contact us by email and we will resolve it as soon as possible. At the same time, if you have any questions or suggestions about our products, we also welcome you to contact us by email at any time to provide customers with good service, will always be our first step.