Fractional Tube Socket Weld End Excel Metal part no. Equivalent Part no. Type 1 TUBE ODQT (INCHES) Ø E L L1 L2 HEX F 2-WUT SS-2-TSW-3 1/8 0.09 1.18 0.59 0.10 7/16 4-WUT SS-4-TSW-3 1/4 0.18 1.72 0.86 0.28 9/16 6-WUT SS-6-TSW-3 3/8 0.28 2.08 1.04 0.31 9/16 8-WUT SS-8-TSW-3 1/2 0.40 2.34 1.17 0.38 11/16 10-WUT SS-10-TSW-3 5/8 0.50 2.84 1.42 0.41 13/16 12-WUT SS-12-TSW-3 3/4 0.62 3.12 1.56 0.44 1 16-WUT SS-16-TSW-3 1 0.87 3.84 1.92 0.62 1-1/4