ASME B18.2.3.4M-2001 pdf download.METRIC HEX FLANGE SCREWS. If verif able in-process inspeclion is used, inspection sample sizes and reporting shall be in accordance with the applicable ASME. ASTM. or SAF quality system consensus standard. (b) For nondesignated dimensional characteristics, the piuvisions of ASME BIX.18.IM shall apply. Should a nondesignated dimension be determined to be outside its specifed limits. it shall...