DIN 967 POZIDRIV PAN HEAD MACHINE SCREWS ZINC PLATED 4 x 55 - 30 000 pcs 4 x 60 - 120 000 pcs 4 x 70 - 30 000 pcs Pr. Class "4,8" ISO 898-1 Thread "6h", "6g" DIN 13 part 13-15 or ISO 965-2 Plating A2A ISO 4042 small box packing