Stud bolts ASTM A193 B7 HDG M20 270 20 pcs. Nuts ASTM A194 2H HDG M20 80 pcs. Knurled security washers HDG, enlarged external diameter M20 40 pcs. Stud bolts ASTM A193 B7 HDG M20 240 80 pcs. Nuts ASTM A194 2H HDG M20 320 pcs. Knurled security washers HDG, enlarged external diameter M20 160 pcs. Stud bolts ASTM A193 B7 HDG M20 290 40 pcs. Nuts ASTM A194 2H HDG M20 160 pcs. Knurled security washers HDG, enlarged external diameter M20 80 pcs. Stud bolts ASTM A193 B7 HDG M20 170 96 pcs. Nuts ASTM A194 2H HDG M20 384 pcs. Knurled security washers HDG, standard external diameter M20 192 pcs. Stud bolts ASTM A193 B7 HDG M20 200 80 pcs. Nuts ASTM A194 2H HDG M20 320 pcs. Knurled security washers HDG, standard external diameter M20 160 pcs. Stud bolts ASTM A193 B7 HDG M20 220 48 pcs. Nuts ASTM A194 2H HDG M20 192 pcs. Knurled security washers HDG, standard external diameter M20 96 pcs. Stud bolts ASTM A193 B7 HDG M27 330 48 pcs. Nuts ASTM A194 2H HDG M27 192 pcs. Knurled security washers HDG, standard external diameter M27 96 pcs. Stud bolts ASTM A193 B7 HDG M27 270 48 pcs. Nuts ASTM A194 2H HDG M27 192 pcs. Knurled security washers HDG, standard external diameter M27 96 pcs. Stud bolts ASTM A193 B7 HDG M27 300 24 pcs. Nuts ASTM A194 2H HDG M27 96 pcs. Knurled security washers HDG, standard external diameter M27 48 pcs.