High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M20x50 HR 10.9 HDG 400 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M20x55 HR 10.9 HDG 1200 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M20x60 HR 10.9 HDG 300 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M20x65 HR 10.9 HDG 1200 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M24x60 HR 10.9 HDG 300 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M24x85 HR 10.9 HDG 500 pcs High strength structural bolts with 1 nut and 2 washers EN 14399-5/6 M27x95 HR 10.9 HDG 300 pcs