Description: _x000D_ These screws and nuts are made of high quality 304 stainless 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. _x000D_ _x000D_ _x000D_ Features: _x000D_ Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. _x000D_ Ideal for use in confined areas as fixing component, industrial and construction fasteners. _x000D_ There are many different length of button head screws that you can use for various purposes and projects. _x000D_ Total 180 pieces screws and 50 pieces nuts for general purpose use will meet your daily basic needs. _x000D_ Used widely on home and office appliance, communication equipment, ship assembly and other machinery industry. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: 304 stainless steel _x000D_ Grade: A2-70 _x000D_ Color: Silver _x000D_ Standard: Metric_x000D_ _x000D_ Screw Type: Hex socket button head _x000D_ Thread: M3 _x000D_ Size & Quantity:_x000D_ _x000D_ M3*4 30pcs _x000D_ M3*6 30pcs _x000D_ M3*8 30pcs _x000D_ M3*12 30pcs _x000D_ M3*16 30pcs _x000D_ M3*20 30pcs _x000D_ M3 Nuts 50pcs _x000D_ Box Size: 13.2 x 7.2 x 2.3cm / 5.19 x 2.83 x 0.9" _x000D_ _x000D_ _x000D_ Package Includes:_x000D_ 180pcs x Screws _x000D_ 50pcs x Nuts