Standardized Heads for Screws and Bolts
These standards from ISO, SAE, and IFI cover standardized screw requirements sorted by head.
These standards from ISO, SAE, and IFI cover standardized screw requirements sorted by head.
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.