
HI Thread Insert Thread Insert HI American UN (UN , UNC, UNF, UNEF, UNS) American UN ( U Style) Pitch Dimensions Pitch Dimensions CD CD CL Designation Designation Q. Designation Picture Picture (Right ) (Left) (tpi) d L hmin x f (Right -1- Left) (tpi) d L hmin x f IR 11 - 72UN IL 11 - 72UN 72 6.35 11 0.20 0.8 0.3 UE 22 - 4.5IUN 4.5 12.7U 22 3.46 2.2 11.0 11 - 64UN 11 - 64UN 64 6.35 11 0.23 0.8 0.4 CD 22 - 4UN 4 12.7U 22 3.89 2.2 11.0 c 1/ 4P Interna 60° 11 - 56UN 11 - 56UN 56 6.35 11 0.26 0.7 0.4 CD 27 - 3UN 3 15.875U 27 5.19 2.5 13.7 X 11 - 48UN 11 48UN - 48 6.35 11 0.31 0.6 0.6 LU h 11 - 44UN 11 - 44UN 44 6.35 11 0.33 0.6 0.6 1/ 8P Externa d 11 - 40UN 11 - 40UN 40 6.35 11 0.37 0.6 0.6 11 - 36UN 11 - 36UN 36 6.35 11 0.41 0.6 0.6 Ul 22 - 4.5UN 4.5 12.7U 22 3.26 2.4 11.0 11 - 32UN 11 - 32UN 32 6.35 11 0.46 0.6 0.6 22- 4UN 4 12.7U 22 3.57 2.4 11.0 1/4P Internal 03 11 - 28UN 11 - 28UN 28 6.35 11 0.52 0.6 0.7 c 27 - 3UN 3 15.875U 27 4.89 2.7 13.7 CD 11 27UN - 11 27UN - 27 6.35 11 0.54 0.7 0.8 c 11 - 24UN 11 - 24UN 24 6.35 11 0.61 0.7 0.8 1/ 8P External d 11 - 20UN 11 - 20UN 20 6.35 11 0.73 0.8 0.9 11 - 18UN 11 -18UN 18 6.35 11 0.81 0.8 1.0 11 - 16UN 11 - 16UN 16 6.35 11 0.92 0.9 1.1 11 - 14UN 11 - 14UN 14 6.35 11 1.05 0.9 1.1 11 - 12UN 11 - 12UN 12 6.35 11 1.22 0.8 1.1 11 - 11 UN 11 - 11 UN 11 6.35 11 1.33 0.8 1.1 16 - 72UN 16 - 72UN 72 9.525 16 0.20 0.8 0.3 16 - 64UN 16 - 64UN 64 9.525 16 0.23 0.8 0.4 029 16 - 56UN 16 - 56UN 56 9.525 16 0.26 0.7 0.4 x 030 CD c CD 16 - 48UN 16 - 48UN 48 9.525 16 0.31 0.6 0.6 1/4P Internal American UN (V Style) c 16 44UN - 16 44UN - 44 9.525 16 0.33 0.6 0.6 L 16 - 40UN 16 - 40UN 40 9.525 16 0.37 0.6 0.6 Pitch Dimensions CD 16 - 36UN 16 - 36UN 36 9.525 16 0.41 0.6 0.6 CL Designation Designation 1/8P Externa Picture (Right) (Left) (tpi) d L hmin x f t 16 - 32UN 16 - 32UN 32 9.525 16 0.51 0.6 0.6 16 - 28UN 16 - 28UN 28 9.525 16 0.52 0.6 0.7 VER 11 - 20UN VEL 11 - 20UN 20 6.35 11 0.78 0.69 2.3 3.2 16 - 27UN 16 - 27UN 27 9.525 16 0.54 0.7 0.8 11 - 18UN 11 - 18UN 18 6.35 11 0.87 0.69 2.2 3.2 16 - 24UN 16 24UN - 24 9.525 16 0.61 0.7 0.8 11 - 16UN 11 - 16UN 16 6.35 11 0.97 0.69 2.2 3.2 16 20UN - 16 20UN - 20 9.525 16 0.73 0.8 0.9 11 14UN - 11 - 14UN 14 6.35 11 1.11 0.69 2.0 3.2 16 - 18UN 16 - 18UN 18 9.525 16 0.81 0.8 1.0 11 - 12UN 11 - 12UN 12 6.35 11 1.30 0.69 1.8 3.2 16- 16UN 16 - 16UN 16 9.525 16 0.92 0.9 1.1 1/ 4P Internal 16 - 32UN 16 - 32UN 32 9.525 16 0.48 1.1 3.0 3.6 16- 14UN 16 -14UN 14 9.525 16 1.05 0.9 1.2 16 - 28UN 16 - 28UN 28 9.525 16 0.56 1.1 3.0 3.6 16 - 13UN 16 - 13UN 13 9.525 16 1.13 1.0 1.3 CD 16 - 24UN 16 - 24UN 24 9.525 16 0.65 1.1 2.9 3.6 c 1/8P Externa 16 - 12UN 16 - 12UN 12 9.525 16 1.22 1.1 1.4 CD 16- 20UN 16 - 20UN 20 9.525 16 0.78 1.1 2.7 3.6 t 16 11.5UN - 16 -11.5UN 11.5 9.525 16 1.28 1.1 1.5 x LU 16- 18UN 16 - 18UN 18 9.525 16 0.87 1.1 2.6 3.6 16 - 11 UN 16 - 11 UN 11 9.525 16 1.33 1.1 1.5 16 - 16UN 16 - 16UN 16 9.525 16 0.97 1.1 2.55 3.6 16 - 1 OUN 16 - 10UN 10 9.525 16 1.47 1.1 1.5 16- 14UN 16 - 14UN 14 9.525 16 1.11 1.1 2.5 3.6 16- 9UN 16 - 9UN 9 9.525 16 1.63 1.2 1.7 16 - 12UN 16 - 12UN 12 9.525 16 1.30 1.1 2.2 3.6 16 - 8UN 16 - 8UN 8 9.525 16 1.83 1.2 1.5 16- 1 OUN 16 - 10UN 10 9.525 16 1.56 1.1 2.1 3.6 22 - 7UN 22 - 7UN 7 12.7 22 2.09 1.6 2.3 16 8UN - 16 8UN - 8 9.525 16 1.95 1.1 2.0 3.6 22 - 6UN 22 - 6UN 6 12.7 22 2.44 1.6 2.3 22 - 5UN 22 - 5UN 5 12.7 22 2.93 1.7 2.3 27 - 4.5UN 27 - 4.5UN 4.5 15.875 27 3.26 1.9 2.4 27 - 4UN 27 - 4UN 4 15.875 27 3.67 2.1 2.7