ITEM NAME:340Pcs M3 3mm Stainless Steel Button Head Allen Bolts Screws Nuts Assortment Kit 100% brand new and high quality. These screws are made of high quality alloy steel, which provides strength and offers good corrosion resistance in many environments. Button head design is ideal for use in confined areas as fixing component, industrial and construction fasteners. There are many length in this set which can be commonly used in home and office appliance, machinery, furniture, repair and inventions. Features: Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. Ideal for use in confined areas as fixing component, industrial and construction fasteners. There are many different length of button head screws that you can use for various purposes. Total 180 pieces screws and 160 pieces nuts for general purpose use will meet your daily basic needs. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specifications: Material: Stainless Steel Color: Silver Box Size: 125x65x22mm(LxWxH) Screws Sizes And Quantity: M3x5mm 20Pcs M3x6mm 20Pcs M3x8mm 20Pcs M3x10mm 20Pcs M3x12mm 20Pcs M3x14mm 20Pcs M3x16mm 20Pcs M3x18mm 20Pcs M3x20mm 20Pcs Hex Nut 160Pcs Quantity: 340 Pcs /1 Set Note: Please allow 1-3mm error due to manual measurement..Button head design is ideal for use in confined areas as fixing component, industrial and construction fasteners. There are many different length of button head screws that you can use for various purposes.