Pan head tapping screws with hexalobular socket, cone end: - DIN 7981 C ( ISO 14585 C ) - steel zinc plating - drive TORX 20 - dimension: 4,2x16 - quantity: 600.000 pcs Requested delivery time for 300.000 pcs is about one month, for next 300.000 pcs is about 04/2021.