Description
70pcs 1/2-20 x 3 Grade 5 HD HIGH CARBON + 4 pcs Zinc Hex Head Cap Bolt Screw
You get 70pcs 1/2-20 x 3 Grade 5 HD HIGH CARBON BLACK Hex Head Cap Machine Bolt Screws
PLUS YOU ALSO GET
4 pcs 1/2-20 x 3 Grade 5 YELLOW ZINC Hex Head Cap Machine Bolt Screws
High carbon is not the same as Black Oxide, it is a much higher upgrade:
No, high carbon steel and black oxide are not the same thing. High carbon steel is a type of steel with a high carbon content, giving it increased hardness and strength. Black oxide is a type of coating applied to metals, including steel, to provide a protective, decorative, or functional finish.
Applications:
Properties:
Known for high strength, hardness, and wear resistance, but also more brittle than low or medium carbon steel.
High Carbon Steel:
- Material:An alloy of iron and carbon, where the carbon content is typically between 0.60% and 1.5%