Standardized Threading for Screws and Bolts
These standards from ISO and SAE cover Standardized Threading for Screws and Bolts requirements sorted by threading.
Fastener Standards for Screws, Bolts, and Studs
Screws, bolts, and studs share many features with regard to their form, and, as a result, many standards apply to more than one kind of these closely related fasteners. However, there are of course differentiating features between them, and so they also have standards specific to each of them in addition to unifying standards such as those for threading, heads, and sockets.
Please click on the category below that best fits your needs.
Standardized Heads for Screws and Bolts
These standards from ISO, SAE, and IFI cover standardized screw requirements sorted by head.
Standardized Sockets for Screws for Bolts
These standards from ISO and SAE cover standardized screw socket requirements sorted by head.
Other Standards for Both Bolts and Screws
These standards from ASME, SAE, ISO, and others address both bolts and their corresponding screws.
Screw Specific Standards
These standards from ISO and SAE cover screw requirements
Bolt Specific Standards
Hardware bolt standards from ASME, SAE, ISO, and others address bolts, their quality and construction, and their different forms. The standards have been split up into their head types, applications, and materials used to construct them. These bolt standards have been recognized worldwide across hardware manufacturing and construction bodies alike. Find the standard that can best help your practice here.