Nuts ASTM B18.2.2 M20 mat. SA563 Gr.A 168 pcs Studbolt ASTM B18.2.3 M20x65 mat. A307Gr.A 72 pcs Nuts ASTM B 18.2.4 M60x4 mat.A563Gr.A 27 pcs Certificate EN10204/3.1