ASME/ANSI B18.6.3-30-2013
Phillips concave hex head screws-Table 30
ASME/ANSI B18.6.3-30-2013
Phillips concave large hex head screws-Table 30
ASME/ANSI B18.6.3-30-2013
6-Lobe socket concave hex head screws-Table 30
ASME/ANSI B18.6.3-30-2013
6-Lobe socket concave large hex head screws-Table 30