ASTM F covers round and miscellaneous shape flat washers. These unhardened washers typically have a larger outside diameter than. ASTM F covers standard, unhardened steel washers for general use. ASTM F covers hardened steel washers used with most high. TorqBolt manufactures,Stocks & Supplies ASTM F Round & Flat Washers, Washer in ASTM F Specification,Flat Washers F in Stock, F Hot Dipped.
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ASTM F USS Flat Washers – Steel City Bolt
In general substituting one grade of fastener for another is a bad idea, as that substitution can open you up to liability concernsbut does this apply to washers? ASTM F covers standard, unhardened steel washers for general use. F is pretty lenient in what it allows, in fact the only real restriction is that washers must be unhardened and made of steel.
The most common reason is domesticity requirements.
Domestic F washers are not readily available, so to provide washers that meet the domestic requirements of some projects F washers are provided, as they are readily available and something we stock. Less common, but worth considering is the difference in size of the two washers.
F436 vs F844
F washers are usually dimensioned per B Certain applications may want a smaller washer and therefore prefer the F washer. If you have any questions about washers, substituting fasteners or anything else, please give one of our helpful team members a call, and we will be happy to help. What is a “Domestic Requirement” and how do I know if it applies to my project?
To continue this query, are stainless steel washers available in extra heavy thicknesses?
What dimensional standards do stainless steel washers follow? Angel- Heavy thickness stainless washers could easily be manufactured, but they are not available off the shelf. Is there a significant cost increase over non hardened stainless steel washers? Chuck- No, there is not.
Stainless flat washers are only available as commercial grade washers, hardened washers are not available. Your email address will not be published.
Leave this field empty. Are you allowed to substitute F hard washers when F cut washers are called out?
F vs F – Portland Bolt
Why might someone want to substitute F washers for F washers? Domestic Requirements What is a “Domestic Requirement” and how do I know if it applies to my project? Leave a Reply Cancel reply Your email address will not be published.