DIN 2510 Bolted connections with reduced shank, studs Form L/Z, with 2 nuts Hot dip galvanised steel 25CrMo4 M52x520, 64 pcs. M52x400, 128 pcs. M24x155, 112 pcs. 24x135, 32 pcs. 42x310, 12 pcs. Please include certificate 3.2./3.1