The ASTM F Grade F, (Also known as A TC bolts) specification cover heat treated, steel, tension control bolt-nut-washer assemblies, also referred. Round Head Tension Control Structural Bolt Assembly, ASTM F, Type 1,. Plain. The information below lists the required dimensional. This specification is a consolidation of and replacement for six ASTM standards: A, AM, A, AM, F and F The main.

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Powered by mwForum 2. Not logged in American Welding Society Forum. By eekpod Date Question, Whats the difference between F and F? I have each ASTM spec in front of me.


It only talks about F F isn’t listed in section 1. Any thoughts would be appreciated, you, might need a copy of each spec.

ASTM F vs. F TC Bolts

By jwright Date I think it answers your question. F is a TC bolt made to an A spec.


Thanks John, So in reading 1. Does that mean since it was originally approved inand now its more than two years later that F is no longer an approved alternate?

When I read your question I quickly yanked the version of the ASTMs off my shelf and thumbed towards the back and it didn’t go up to F I had to go into the Purchasing Department to get the latest version to look up what you had The auditor is due to arrive on the 21st of this month. By ziggy Date Thanks ziggy PS – hope your audit went well By HgTX Date If you see the other markings you should talk to the bolt manufacturer. Hi ziggy, Audit went well, no CARs, we were issued another certificate valid through Mfgs shall be permitted to use additional marks indicating that the bolt is a weathering type.

The nut and washer shall be depressed. ASTM F has remained unchanged since San Francisco – Section Rochester – Section Colorado – Section Puget Sound Olympic – Section F280 – Section Nebraska – Section North Florida – Section Florida West Coast – Section Nevada – Section