PERIMETER ANCHOR OPTIONS STEEL TWIST ANCHORS - WIND ZONE 3 ONLY (FOR WINDOW SYSTEMS LISTED BELOW) YOW 225, YOW 225 H, YOW 225 TU, & YOW 225 TUH YFW 400 TU / TUH YVS 400 TU YVS 400 TU YVS 410 TU / TUH 2-1/4 " [57.2mm] E1-1970 E1-1972 3/8 " Min. [9.5mm] 4 " [101.6mm] YOW 350 T YOW 350 TU YOW 350 TUH E1-1971 3/8 " Min. 3-1/2 " [88.9mm] [9.5mm] 3/8 " Min. [9.5mm] SCALE: 1/2 SIZE 0 Effective Date: October 1, 2020 | 05-1017-01 1 2 Page-13