ASTM Bolt Specifications
The American Society for Testing and Materials, is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.
Bolt Torque Chart
These estimated torque calculations are only offered as a guide. Use of its content by anyone is the sole responsibility of that person and they assume all risk.
Nut Compatibility Chart
Information on what grade and finish of nut is recommended or suitable for various ASTM specifications.
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