30 Nuts M36 ISO 4033 CL.8 HDG ASTM 153 48 Nuts M45 ISO 4033 CL.8 HDG ASTM 153 12 Nuts M56 ISO 4033 CL.8 HDG ASTM 153 24 Nuts M60 ISO 4033 CL.8 HDG ASTM 153 8 Nuts M64 ISO 4033 CL.8 HDG ASTM 153 16 Spherical and conical washers for M36 DIN 6319 IN C50 24 Spherical and conical washers for M48 DIN 6319 IN C50 6 Spherical and conical washers for M56 DIN 6319 IN C50 12 Spherical and conical washers for M60 DIN 6319 IN C50 4 Spherical and conical washers for M64 DIN 6319 IN C50 Please send certificate 3.1