DIN 931 or DIN 933 B18.2.1 ASTM A193M B7 UNC 2A ASME B1.1 1/2 unc x 100 8 pcs 3/4 unc x 100 376 pcs 7/8 unc x 100 288 pcs 1" unc x 110 312 pcs 3/4 unc x110 244 pcs 7/8 unc x 110 36 pcs 1,1/8 unc x 120 196 pcs 7/8 unc x 120 152 pcs 1,1/8 unc x 130 180 pcs 5/8 unc x 130 20 pcs 7/8 unc x130 8 pcs 1" unc x 140 48 pcs 1,1/4 unc x140 320 pcs 7/8 unc x 140 16 pcs 1" unc x 150 192 pcs 1,1/8 unc x 150 64 pcs 1,1/8 unc x 160 12 pcs 3/4 unc x 150 40 pcs 3/4 unc x 160 72 pcs 1,1/8 unc x 170 12 pcs 7/8 unc x 170 60 pcs 7/8 unc x 180 132 pcs 1.1/4unc x 190 84 pcs 1"unc x 210 16 pcs 1"unc x 220 16 pcs 1.1/2 unc x 240 72 pcs 1/2 unc x 45 2632 pcs 1/2 unc x 50 9072 pcs 1/2 unc x 55 4620 pcs 1/2 unc x 60 1564 pcs 5/8 unc x 60 1908 pcs 1/2 unc x 65 328 pcs 5/8 unc x 65 2992 pcs 1/2 unc x 70 16 pcs 5/8 unc x 70 576 pcs 5/8 unc x 75 4028 pcs 1/2 unc x 80 8 pcs 5/8 unc x 80 8 pcs 3/4 unc x 80 1288 pcs 3/4 unc x 85 480 pcs 5/8 unc x 90 60 pcs 3/4 unc x 90 124 pcs 7/8 unc x 90 132 pcs DIN 931 or DIN 933 B18.2.1 ASTM A320M L7 UNC 2A ASME B1.1 3/4 unc x 100 96 pcs 3/4 unc x110 72 pcs 1" unc x 140 64 pcs 1.1/4unc x 190 48 pcs 1,3/8 unc x 190 36 pcs 1,3/8 unc x 240 48 pcs 1/2 unc x 50 56 pcs 1/2 unc x 60 4 pcs 5/8 unc x 60 296 pcs 5/8 unc x 65 148 pcs 5/8 unc x 70 152 pcs 5/8 unc x 75 48 pcs 5/8 unc x 80 16 pcs 3/4 unc x 80 40 pcs 3/4 unc x 85 92 pcs 3/4 unc x 90 8 pcs Heavy hex nuts UN-8 2B ASME B1.1 B18.2.2 ASTM A194M 2H 1"unc 584 pcs 1.1/2"unc 72 pcs 1.1/4"unc 404 pcs 1.1/8"unc 464 pcs 1/2 unc 18248 pcs 3/4 unc 2560 pcs 5/8 unc 9656 pcs 7/8 unc 824 pcs Heavy hex nuts UN-8 2B ASME B1.1 B18.2.2 ASTM A194M 7 1"unc 64 pcs 1.1/4"unc 48 pcs 1.3/8"unc 84 pcs 1/2 unc 60 pcs 3/4 unc 308 pcs 5/8 unc 660 pcs 7/8 unc 24 pcs Please send certificate 3.1 per each size