M16 HEX BOLT EN ISO 4014 + NUT EN ISO 4032 SET M16x220 (b=57) EN15048-1 BOLT+NUT Q-ty 50 pcs. Washer M16 EN ISO 7089 Q-ty 100 pcs. General requirements products should meet: The property class of hexagon bolts is 8.8 and the accuracy class of thread is B in accordance with standart SFS-EN ISO 898-1. The property class of hexagon nuts is 8 and the accuracy class of thread is B in accordance with standart SFS-EN ISO 898-2. Washers accuracy class A, hardness HV 200. The surface treatment of the bolts, nuts and washers is hot-dip galvanizing in accordance with standard SFS-EN ISO 10684+AC. All bolt products must be CE-marked, standart SFS-EN 15048-1. 3.1 Certificates are required.