This M3 Cross Drive Button Head Screws Set is made of stainless steel 304 or carbon steel material, good corrosion resistance and durable to use. Widely applied to home furniture, office, machines, etc. Features: Made of stainless steel or carbon steel material, good corrosion resistance, durable to use. Equipped with a plastic box, you can classify screws in an organized manner, more convenient to carry and take out. This M3 screws have different length, which can meet different needs. 500pcs M3 screws are enough for using. Used widely in the home and office appliance, furniture and other machinery industry. Specification: Standard type: DIN Model: Self-Tapping Screws Material(Optional): Stainless Steel 304/ Carbon Steel Thread size: M3 Thread tolerance: 5g Application: Electronics industry fasteners Weight: 260-288g Content: M3*6 100pcs M3*8 100pcs M3*10 100pcs M3*12 100pcs M3*16 40pcs M3*18 30pcs M3*20 30pcs Package Included: 1 x Box of M3 Button Head Screws(included 500pcs)