Straight Round Steel Pole Catalog #View All Wall Bolt Circle Anchor Bolts Max EPA80mph w/1.3 gust Max FixLbs. Max EPA90mph w/1.3 gust Max FixLbs. Max EPA100mph w/1.3 gust Max FixLbs. Pole WtLbs. GRS308 .120 7" 1/2"x12"x2" 10.0 200 7.2 144 6.0 120 38 GRS310 .120 7" 1/2"x12"x2" 8.0 160 5.7 114 4.0 80 46 GRS410 .226 9-1/2" 3/4"x24"x3" 13.3 266 10.2 204 7.7 154 115 GRS412 .226 9-1/2" 3/4"x24"x3" 10.2 204 7.7 154 5.7 114 135 GRS415 .226 9-1/2" 3/4"x24"x3" 9.3 186 7.1 142 5.3 106 160 GRS418 .226 9-1/2" 3/4"x24"x3" 8.2 164 6.7 134 4.9 98 190 GRS420 .226 9-1/2" 3/4"x24"x3" 7.8 156 5.5 110 4.2 84 210 GRS424 .226 9-1/2" 3/4"x24"x3" 4.5 90 3.0 60 1.0 20 245 GRS520 .120 9-1/2" 3/4"x24"x3" 15.0 300 11.0 220 9.0 180 155 GRS524 .180 9-1/2" 3/4"x36"x3" 10.0 200 11.0 160 6.0 120 260 GRS530 .180 9-1/2" 3/4"x36"x3" 7.6 152 11.0 90 1.8 36 320 GRS630 .188 12-3/4" 1"x36"x3" 16.0 320 12.0 240 9.0 180 400 GRS640 .188 12-3/4" 1"x36"x3" 5.6 112 2.5 50 -- -- 515