DIN 975 HOT DIP GALVANIZED M 20 CLASS 4.8 - 800 PCS DIN 975 HOT DIP GALVANIZED M 20 CLASS 8.8 - 800 PCS DIN 934 HOT DIP GALVANIZED M 20 CLASS 8 - 1600PCS 125 HOT DIP GALVANIZED M 20 - 1600 PCS DIN 975 HOT DIP GALVANIZED M 20X2000 CLASS 4.8 - 800 PCS DIN 975 HOT DIP GALVANIZED M 20X2000 CLASS 8.8 - 800 PCS