Rshuhx M3 M4 M5 M6 Hex Screws Carbon Steel Black and Nuts Washers Set 500 Pieces Socket Round Button Head Pan Bolts with Wrench

Combination size: our hex socket round button head bolts and nuts washers: M3X10, M3X20, M3X25, M3X30, M4X10, M4X20, M4X25, M4X30, M5X10, M5X20, M5X25, M5X30, M5X30, M. 6X10, M6X20, M6X30, M6X40 Total 500 pieces, 16 types of models. One purchase can meet your diverse needs. Both the screws and nuts are placed in a transparent plastic box with matching labels, which is easy to use and install. Material: the machine screw set is made of 10.9 grade carbon steel. Black surface treatment, not easy to rust, moisture-resistant, oxidation resistant, corrosion resistant, acid and alkali resistant and high hardness Details: Our screws and nuts comply with the standard metric system and the thread spacing is approx. 1mm The thread is very smooth, sharp and accurate. It is not easy to deform and slide during work. Use: Allen head hexagon socket screws mainly offer the advantages of easy attachment and disassembly as well as not easy to slip corners. Mainly used in electronic products, electrical products, furniture, household appliances, car and motorcycle maintenance and DIY, machinery equipment and ship products Customer service: If you receive the screw and nut kit for the first time and there are problems with the product, please contact us by email. We will fix the problem as soon as possible. If you have any questions or suggestions about our products, you can contact us at any time by email to provide customers with good service. This is always our first step.