this is a Grade 5 Hex Bolt.
Grade 5 Strength: The three radial lines indicate it is a Grade 5 bolt, which is constructed from medium-carbon steel for high-strength applications.
Hexagonal Head: The six-sided head allows for high torque application using a wrench or socket.
Corrosion Resistance: These bolts are often finished with a zinc coating to protect against rust and corrosion
Set of 4
Condition: Pre-Owned
Please look closely at all photos for best depiction of all details. If you have any questions, feel free to ask!