Kit 1225PCS M2 M3 M4 M5 Carbon Steel Hex Button Socket Head Cable Bolts Screws with Nuts Assortment (Black),

High quality Carbon Steel. It has good workability and high toughness up to a temperature of about 800 degrees. They have excellent rust resistance and oxidation resistance in bad environment such as high temperature, cold weather, and high humidity areas, which can guarantee a long time using. Different sizes of screws: M2*8,M2*12,M2*16,M2*20,M3*8,M3*12,M3*16,M3*20,M4*8,M4*12,M4*16,M4*20,M5*8,M5*12,M5*16,M5*20, to meet different needs. It is a very essential hand tool for the family. With M2, M3 and M4 nuts and washers, installations are now more precise with an increase in contact surface, which reduces pressure and protects parts and screws. The nuts and washers are arranged in a storage box, which allows you to easily find the series and avoid loss when needed. They are anti-oxidizable and corrosive even at high temperatures.