Slotted countersunk head tapping screws
ANSI B18.6.4
Cross
recessed pan head tapping screws
DIN7981/ ISO7049/ ANSI B18.6.4/ JISB1122
Cross
recessed raised countersunk head tapping screws
DIN7982/ ISO7050/ ANSI
B18.6.4
Cross recessed truss head tapping screws
ANSI B18.6.4/ JIS
B1122
Imperial
sizes
Diameter - #5” ~ 5/16”
Length - 1/8” ~ 4”
Metric sizes
Diameter – ST2.9 ~ ST9.5
Length - 6.5mm ~ 100mm