HALJIA 300Pcs M3 4 12mm Copper Brass Hex Column Pillars Standoff Circuit Spacer PCB Board Nut Screws Round Single Cylinder Head

There are 10 types of M3 thread spacers per 30 pieces, a total of 300 pieces in one box. This set includes both Female-Female standoffs and Male-Female standoffs in different sizes. M3 brass hexagon assortment, spacers. Easy to install and durable to use. Waterproof, rust resistant and easy to clean, you can simply clean it with a cloth. Made of brass with a smooth surface, clean thread, uniform and without burr. High quality brass material for durability and long service life. Widely used in machinery industry, electronic industry, testing equipment, electric equipment, medical equipment, communications, automotive, engineering machinery, electric power and other fields.