PART NO. THREAD DIMENSIONS E F A B L S1 1BK-04-14 G1/4"X19 M14X1.5 12 15.5 33.5 19 1BK-06-18 G3/8"X19 M18X1.5 13.5 18 39.5 22 1BK-06-22 G3/8"X19 M22X1.5 13.5 20 41.5 24 1BK-08-20 G1/2"X14 M20X1.5 16 20 46 27 1BK-08-22 G1/2"X14 M22X1.5 16 20 46 27 1BK-10-24 G5/8"X14 M24X1.5 17.5 22 49.5 30 1BK-12-30 G3/4"X14 M30X1.5 18.5 23 52.5 32 1BK-16-33 G1"X11 M33X1.5 20.5 27 60.5 41 1BK-20-36 G1.1/4"X11 M36X1.5 20.5 28 63.5 50