1. Made of 304 stainless steel, 304 stainless steel material provides strength and offers good corrosion resistance in many environments2. Ideal for use in confined areas as fasteners, industrial and construction fasteners3. There are many different lengths of button head screws that you can use for various purposes and projects4. A total of 180 screws and 50 nuts for general use will meet your daily basic needs5. Widely used in home and office equipment, communication equipment, ship assembly and other machinery industriesSpecification:Description:These bolts and nuts are made of high quality 304 stainless steel, which ensures strength and good corrosion resistance in many environments. The button head design is ideal for use in confined areas as fasteners and for industrial and construction fasteners. There are many lengths in this set, which can be widely used in household appliances and office equipment, machinery, furniture, repairs and inventions.Features:Made of 304 stainless steel, 304 material provides strength and good corrosion resistance in many environments.Ideal for use in confined areas as fasteners, industrial and construction fasteners. There are many different lengths of button head screws that you can use for various purposes and projects. A total of 180 screws and 50 nuts for general use will meet your daily basic needs. Widely used in home and office equipment, communication equipment, ship assembly and other machinery industries.Specifications:Material: 304 stainless steelGrade: A2-70Color: silverStandard: MetricScrew type: Hex socket button headThread: M2Size and quantity:M2*4 30 pcsM2*6 30 pcsM2*8 30 pcsM2*10 30 pcsM2*12 30 pcsM2*16 30 pcsM2 nuts 50 pcsBox size: 13.2 x 7.2 x 2.3 cm / 5.19 x 2.83 x 0.9 inchPackage includes:180 pcs x screws50 pcs x nuts