This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage, quality certificates and order forms

This Standard specifies terms and definitions, principle, instruments and equipment, sample, test steps as well as test data processing for determination of vol

This Standard specifies the ordering content, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marki

This Standard specifies the type and dimension, technical conditions and marking of cross-recessed countersunk (flat) head tapping screws. This Standard is appl

This Standard specifies the designation expression method, ordering contents, size, shape, weight, technical requirements, test methods, inspection rules, packa