Bolt Grade Markings and Strength Chart

The Bolt Grade Markings and Strength Chart is used to identify the strength and grade of different bolts. It provides information about the material and strength of the bolt, which is important for determining its suitability for specific applications.

The Bolt Grade Markings and Strength Chart is typically filed by the manufacturer or supplier of the bolts.

FAQ

Q: What are bolt grade markings?
A: Bolt grade markings indicate the strength and properties of the bolt.

Q: What is a bolt grade?
A: Bolt grade refers to the strength of a bolt.

Q: How are bolt grade markings represented?
A: Bolt grade markings are represented by numbers or alphanumeric symbols.

Q: What do the numbers in bolt grade markings signify?
A: The numbers in bolt grade markings indicate the bolt's minimum tensile strength.

Q: What do the alphanumeric symbols in bolt grade markings signify?
A: The alphanumeric symbols in bolt grade markings depict both the bolt's strength and material composition.

Q: What is the highest bolt grade?
A: The highest bolt grade is usually marked as 12.9, indicating a high tensile strength.

Q: What is the lowest bolt grade?
A: The lowest bolt grade is typically marked as 2.6, indicating a lower tensile strength.

Q: Why are bolt grade markings important?
A: Bolt grade markings are important for ensuring the correct selection and use of bolts in various applications.

Q: What do I need to consider when choosing bolts based on grade markings?
A: When choosing bolts based on grade markings, consider the application's requirements for strength and load-bearing capacity.