Threading Inserts STUB ACME INTERNAL ASME/ANSI B 1.8-1988 B A STACME NUT 29° I.C. L STACME SCREW PITCH CATALOG NUMBER DIMENSIONS TPI RIGHT HAND LEFT HAND L mm I.C. A B 16 STACME 16 IR11 STACME 16 IL11 11 6.35 1.0 1.1 16 STACME 16 IR16 STACME 16 IL16 1.0 1.1 14 STACME 14 IR16 STACME 14 IL16 1.0 1.2 12 STACME 12 IR16 STACME 12 IL16 1.1 1.2 16 9.525 10 STACME 10 IR16 STACME 10 IL16 1.2 1.4 8 STACME 8 IR16 STACME 8 IL16 1.4 1.5 6 STACME 6 IR16 STACME 6 IL16 1.7 1.8 6 STACME 6 IR22 STACME 6 IL22 1.8 2.1 5 STACME 5 IR22 STACME 5 IL22 22 12.70 2.1 2.3 4 STACME 4 IR22 STACME 4 IL22 2.3 2.3 4 STACME 4 IR27 STACME 4 IL27 2.4 2.5 27 15.875 3 STACME 3 IR27 STACME 3 IL27 2.7 2.8 37