Welcome to our store! Premium MaterialOur countersunk head bolts with nuts are made of excellent 304 stainless steel, which is sturdy, durable, not easy to rust, corrosion resistant , has high hardness, oxidation resistance and durability, and can work well in a humid environment. Easy to UseThe compact threads of our range of wood screws with nuts do not are not easy to deform and slip when rolling. The surface of our hex screws is smooth and burr-free, sharp, clean and precise to use. Easy to storeAll stainless steel countersunk bolts and nuts are housed in a plastic box transparent with matching labels, easy to use, find, store and install. The cross flat head design, ideal for use in tight spaces where the head needs to be flush or below the surface. Wide Applications Machine screw bolts and nuts are widely used for household and office equipment, all kinds of machinery and equipment, communication equipment for auto parts, ship assembly and other engineering industries. Suitable for professionals, hobbyists, homeowners, tradesmen, other DIY enthusiasts. What You Get Our stainless steel nuts and bolts are available in sizes M3, M4, M5, M6, 320 pieces in total , enough to meet your daily needs. Nut and bolt kits are essential for your home and are perfect for replacing broken and missing bolts. Delivery quantity: 320pcs/box Product color: Silver Product size: m3 M4 M5 M6 Note: Manual measurement, please allow 1 - 3cm error!!! 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service