ASME Y14 pdf download SCREW THREAD REPRESENTATION 1 GENERAL 1.1 Scope This Standard establishes requirements for pictorialrepresentation, specification,and dimensioning of screwthreads on drawings; it is not concerned with standardsfor dimensional control of screw threads. Informationhelpful in the design and selection of screw threadsto meet specific requirements is included in the B1series of the ASME Standards for Screw Threads (seepara. 1.3)....