-Nuts M42 UNI 5588 or ISO 4032 CL.8 hot dip galvanized Nominal thread, 300 Pcs. - Nuts M45 UNI 5588 or ISO 4032 CL.8 hot dip galvanized Nominal thread, 500 Pcs. - Nuts M48 UNI 5588 or ISO 4032 CL.8 hot dip galvanized Nominal thread, 200 Pcs. - Nuts M52 UNI 5588 or ISO 4032 CL.8 hot dip galvanized Nominal thread, 300 Pcs. Material certificate 3.1 or 2.2