ASME/ANSI B18.6.3-11-2013
Type C slotted undercut 80° oval countersunk head tapping screws-Table 11
ASME/ANSI B18.6.3-11-2013
Type C slotted undercut 80° oval countersunk head tapping screws with fine pitch thread-Table 11
ASME/ANSI B18.6.3-12-2013
Type C Square slot undercut 80° oval countersunk head tapping screws-Table 12
ASME/ANSI B18.6.3-12-2013
Type C Square slot undercut 80° oval countersunk head tapping screws with fine pitch thread-Table 12