
HI Thread Insert Thread Insert HI American UN ( UN , UNC , UNF, UNEF, UNS ) ( M Chip Breaker ) American UN ( UN , UNC , UNF, UNEF, UNS ) ( M Chip Breaker ) Pitch Dimensions Pitch Dimensions 0 0 Q. Designation Designation CL Designation Designation Picture Picture (Right) (Left) ( tpi ) d L hmin x f (Right) (Left) (tpi ) d L hmin x f ERM 16 - 20 UN 20 9.525 16 0.78 0.7 0.8 IRM 16 - 20 UN 20 9.525 16 0.73 0.8 0.9 16 - 18 UN 18 9.525 16 0.87 0.8 0.8 16 -18 UN 18 9.525 16 0.81 0.8 1.0 Y f 16 - 16 UN 16 9.525 16 0.97 0.8 0.8 16 - 16 UN 16 9.525 16 0.92 0.9 1.1 CD c X 1 / 4P Interna CD c X 1 / 4P Internal 0 16 - 14 UN 14 9.525 16 1.11 1.2 1.5 0 16 -14UN 14 9.525 16 1.05 0.9 1.2 x x LU 16 - 13 UN 13 9.525 16 1.20 1.2 1.5 LU 16 -13 UN 13 9.525 16 1.13 1.0 1.3 16 - 12 UN 12 9.525 16 1.30 1.3 1.5 16 - 12UN 12 9.525 16 1.22 1.1 1.4 Externa 1 / 8 P External 16 - 11 UN 11 9.525 16 1.42 1.2 1.5 16 -11UN 11 9.525 16 1.33 1.1 1.5 16 - 10 UN 10 9.525 16 1.56 1.2 1.5 16 - 10 UN 10 9.525 16 1.47 1.1 1.5 16 - 9 UN 9 9.525 16 1.73 1.2 1.5 16 - 9 UN 9 9.525 16 1.63 1.2 1.7 16 - 8 UN 8 9.525 16 1.95 1.3 1.5 16 - 8 UN 8 9.525 16 1.83 1.1 1.5 American UN ( UN , UNC , UNF, UNEF, UNS ) ( U Chip Breaker ) Pitch Dimensions 027 0 Designation Designation 028 CL Picture (Right) (Left) (tpi ) d L hmin x f American UN ( UN , UNC , UNF, UNEF, UNS ) ( U Chip Breaker ) IRU 16 - 20 UN 20 9.525 16 0.73 0.8 0.9 16 -18 UN 18 9.525 16 0.81 0.8 1.0 Pitch Dimensions 0 CL Designation Designation CD 16 - 16 UN 16 9.525 16 0.92 0.9 1.1 r X Picture c 1 / 4P Internal (Right) (Left) ( tpi ) d L hmin x f 16 -14 UN 14 9.525 16 1.05 0.9 1.2 0 x LU 16 - 13 UN 13 9.525 16 1.13 1.0 1.3 ERU 16 - 20 UN 20 9.525 16 0.78 0.8 0.9 L 16 -12UN 12 9.525 16 1.22 1.1 1.4 16 - 18 UN 18 9.525 16 0.87 0.8 1.0 1 / 8 P External 16 - 11 UN 11 9.525 16 1.33 1.1 1.5 CD 16 - 16 UN 16 9.525 16 0.97 0.9 1.1 c x r 16 -10UN 10 9.525 16 1.47 1.1 1.5 16 - 14 UN 14 9.525 16 1.11 1.0 1.2 1 / 4P Interna 0 16 - 9 UN 9 9.525 16 1.63 1.2 1.7 x LU 16 - 13 UN 13 9.525 16 1.20 1.0 1.3 L 16 - 8 UN 8 9.525 16 1.83 1.1 1.5 16 - 12 UN 12 9.525 16 1.30 1.1 1.4 16 - 11 UN 11 9.525 16 1.42 1.1 1.5 Externa 16 - 10 UN 10 9.525 16 1.56 1.1 1.5 16 - 9 UN 9 9.525 16 1.73 1.2 1.7 16 - 8 UN 8 9.525 16 1.95 1.2 1.6