CROSS RECESSED COUNTERSUNK HEAD TAPPING SCREWS（7982）
CROSS RECESSED PAN HEAD TAPPING SCREWS WITH COLLAR (DIN968)
CROSS HEXAGON WASHERS HEAD TAPPING SCREWS（DIN6928）
PAN HEAD TAPPING SCREWS WITH SLOT（DIN7971）
COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT（DIN7972）
RAISED COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT（DIN7973）
CROSS RECESSED PAN HEAD TAPPING SCREWS（DIN7981）
