ASME B107.21: Wrench, Crowfoot
SDO: ASME: ASME International
DOD Adopted ANSI Approved Approved
This Standard provides performance and safety requirements for crowfoot wrenches having a wrench component of the open end type or flare nut type. Each type is designed to receive the external drive end of a socket wrench handle.
Inclusion of dimensional data in this Standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.
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