please offer price and elivery for the following items: * B 200 pcs. EN 1666/8 galv. 20 x 1.5 * A 500 pcs.EN 1666/8 galv. 20 x 1.5 * If necessary, please ask at the factory! A 100 pcs.DIN 960 / 10.9 20 x 1.5 x 155 A 100 pcs.DIN 960 / 10.9 20 x 1.5 x 160 A 100 pcs DIN 980/10 20 x 1.5