Description:These screws are made of high quality alloy steel, which provides strength. Flat heat design is ideal for use in confined areas as fixing component, industrial and construction fasteners.There are many length for your choice which can be commonly used inhome and office appliance, machinery, furniture, repair and inventions.Features:Made of alloy steel material, the alloy steel material provides strength.Ideal for use in confined areas as fixing component, industrial and construction fasteners.There are many different length of flat head screws that you can choose.Total 50 pieces per pack for general purpose use,meet daily basic needs.Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.Specifications:Material: 10.9 Class alloy steelType: Button head hex socketM3*6mmM3*8mmM3*10mmM3*12mmM3*16mmM3*20mmM3*25mmM3*30mmM3*35mmM3*40mmQuantity: 50pcsPackage Includes:50pcs x Screws