Non-preloaded structural bolting assemblies DIN EN 15048 SB 4014 + nut Zinc-plated steel 8.8 36X140 - 1100 pcs. 20X370 - 20 pcs. 20X270 - 2530 pcs. 20X200 - 1200 pcs. 16X220 PZ - 30 pcs. Please include certificate 2.1 and 2.2