ASME/ANSI B18.6.3-32-2013
Slotted concave hex collar screws-Table 32
ASME/ANSI B18.6.3-32-2013
Concave hex collar screws-Table 32
ASME/ANSI B18.6.3-33-2013
Phillips concave hex collar screws-Table 33
ASME/ANSI B18.6.3-33-2013
6-Lobe socket concave hex collar screws-Table 33