ASTM standard studs and nuts, material SA193B7/SA-1942H, coating – HDG, metric thread. In your offer please indicate metric thread or ISO FIT. Dimension as follows: Studs M20x130 – 12 pcs + 2H nuts 24 pcs Studs M20x160 – 8 pcs + 2H nuts 16 pcs Studs M20 x130 – 16 pcs + 2H nuts 32 pcs Studs M20x110 – 32 pcs + 2H nuts 64 pcs Studs M16x140 – 24 pcs + 2H nuts 48 pcs Studs M16x110 – 4 pcs + 2H nuts 8 pcs Studs M16x100 – 4 pcs + 2H nuts 4 pcs DIN 938 M20x330 material A320 grade L7 zinc platting – 48 pcs – metric thread.