PART NO. THREAD CAPTIVE DIMENSIONS E F F A B L S1 1TB-02-04WD/SP R1/8"X28 G1/4"X19 WD-B04 10 12 30 19 1TB-04WD/SP R1/4"X19 G1/4"X19 WD-B04 14.5 12 34.5 19 1TB-04-06WD/SP R1/4"X19 G3/8"X19 WD-B06 14.5 12 37 22 1TB-04-08WD/SP R1/4"X19 G1/2"X14 WD-B08 14.5 14 41.5 27 1TB-04-12WD/SP R1/4"X19 G3/4"X14 WD-B12 15 16 43 32 1TB-06-04WD/SP R3/8"X19 G1/4"X19 WD-B04 15 12 35 19 1TB-06WD/SP R3/8"X19 G3/8"X19 WD-B06 15 12 37.5 22 1TB-06-08WD/SP R3/8"X19 G1/2"X14 WD-B08 15 14 42 27 1TB-06-12WD/SP R3/8"X19 G3/4"X14 WD-B12 15 16 45 32 1TB-08-04WD/SP R1/2"X14 G1/4"X19 WD-B04 20 12 42 22 1TB-08-06WD/SP R1/2"X14 G3/8"X19 WD-B06 20 12 42.5 24 1TB-08-12WD/SP R1/2"X14 G3/4"X14 WD-B12 20 16 50 32 1TB-08-16WD/SP R1/2"X14 G1"X11 WD-B16 20.5 18 54 41 1TB-12-06WD/SP R3/4"X14 G3/8"X19 WD-B06 20 12 44.5 30 1TB-12-08WD/SP R3/4"X14 G1/2"X14 WD-B08 20 14 47 30 1TB-12WD/SP R3/4"X14 G3/4"X14 WD-B12 20 16 50 32 1TB-12-16WD/SP R3/4"X14 G1"X11 WD-B16 20.5 18 54 41 1TB-16-12WD/SP R1"X11 G3/4"X14 WD-B12 25.5 16 55.5 36 1TB-16WD/SP R1"X11 G1"X11 WD-B16 25.5 18 59.5 41 1TB-20-16WD/SP R1.1/4"X11 G1"X11 WD-B16 26.5 18 60.5 46 1TB-20WD/SP R1.1/4"X11 G1.1/4"X11 WD-B20 26.5 20 64.5 50 1TB-20-24WD/SP R1.1/4"X11 G1.1/2"X11 WD-B24 26.5 22 66.5 55