280pcs M3*4/5/6/8/10/12/16/20/25 Button Head Hex Socket Screws Nuts with Plastic Case

Features

1、Made of stainless steel material, good corrosion resistance and never rust, durable to use.
2、Equipped with a plastic box, you can classify screws in an organized manner, more convenient to carry and take out.
3、Use this fastener with the hex wrench, hold the mechanical parts firmly in place.
4、Different sizes for general purpose use, meet all your need.
5、Used widely in the home and office appliance, furniture and other machinery industry.