DIN 912 class 10.9 PLAIN or ZINC PLATED M 6 x 20 - 80.000pcs. M 8 x 20 - 45.000pcs. M 12 x 25 - 5.000pcs. DIN 6912 class 10.9 PLAIN or ZINC PLATED M 6 x 20 - 20.000pcs. DIN 6912 class 8.8 PLAIN or ZINC PLATED M 8 x 20 - 11.000pcs. M 10 x 25 - 5.000pcs. DIN 7991 class 10.9 PLAIN or ZINC PLATED M 8 x 12 - 100.000pcs.