440pcs Alloy Steel M3 M4 M5 Hex Socket Button Head Screw Nut With Plastic Case

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

Specification:
Condition: 100% Brand New
Material: Alloy Steel
Standard type: German Standard
Standard number: 10.9-7380-03
Screw type: M3/M4/M5
Color: Black
Box size: Approx. 17.5 x 10 x 2.3cm / 6.8 x 3.9 x 0.9inch
Weight: 550g

Package Included:
20PCS x  M3*8
20PCS x  M3*12    
20PCS x  M3*16    
20PCS x  M3*20   
80PCS x M3 Nuts    
20PCS x  M4*8
20PCS x  M4*12
20PCS x  M4*16  
20PCS x  M4*20  
80PCS x M4 Nuts    
15PCS x M5*8     
15PCS x M5*12    
15PCS x M5*16    
15PCS x M5*20   
60PCS x M5 Nuts    

Note:
Please allow slight deviation for the color and measurement. Thanks for your understanding.