Historical
ANSI/ASME B18.3.2M-1979 (R2003)
Keys and Bits, Hexagon (Metric Series)
Contains the complete dimensional, mechanical and performance requirements for Metric Series Hexagon Keys and Bits of nominal sizesfrom 0.7 mm to 36 mm recognized as "American National Standard. They are primarily intended to be used for tightening and loosening metric serieshexagon socket screw products but may also be suitable for use on other products having metric hexagon socket wrenching provisions.
Content Provider
American Society of Mechanical Engineers [asme]
