300Pcs M3-M8 Black Hex Socket Screws Grub Screw Allen Head Cup Point Assortment Kit 12.9 Grade Carbon Steel

Specification:
Material: Grade 12.9 Carbon Steel; 
Color: Black; 
Package Size: 125*65*22mm; 
  
Features:
- Made of grade 12.9 carbon steel, rust and corrosion resistant. 
- Environment-friendly, no pollution, high hardness. 
- Many length choice in one set meet daily basic needs. 
- Well packed in a transparent plastic box. 
  
Application:
There are many length in one set which can be commonly used in machinery, furniture, repair and DIY inventions. 
  
Package included:
M3*3 - 40PCS; 
M3*4 - 40PCS; 
M3*6 - 40PCS; 
M4*4 - 30PCS; 
M4*6 - 30PCS; 
M5*5 - 30PCS; 
M5*8 - 30PCS; 
M6*6 - 20PCS; 
M6*10 - 20PCS; 
M8*8 - 20PCS