M36 x 250mm uncoated bolts, 600 pcs. -EN 14399-3 grade 10.9 (PRELOAD HR 10.9/10, PT 5 or 6 washer, PT2) or -EN 14399-4 grade 10.9 (PRELOAD HV 10.9/10, PT 5 or 6 washer, PT2 )