PART NO. THREAD DIMENSIONS E WELDTUBEO.D D B C L S1 S2 3BW-04S/IN G1/4"X19 1/4" 3 5.5 20 12 19 3BW-06S/IN G3/8"X19 3/8" 4 6.3 22 17 22 3BW-08S/IN G1/2"X14 1/2" 4 7.5 24 19 27 3BW-10S/IN G5/8"X14 5/8" 5 9.5 25.5 22 30 3BW-12S/IN G3/4"X14 3/4" 5 10.9 31 27 32 3BW-16S/IN G1"X11 1" 6 11.7 33 32 41 3BW-20S/IN G1.1/4"X11 1.1/4" 6 11 37.5 41 50 3BW-24S/IN G1.1/2"X11 1.1/2" 6 13 40 50 55