Threading Inserts WHITWORTH BSW, BSF, BSP INTERNAL B.S.84: 1956ISO 228-1: 1994 B A W NUT R 0.137P 55° L R 0.137P W SCREW I.C. PITCH CATALOG NUMBER DIMENSIONS TPI RIGHT HAND LEFT HAND Lmm I.C. A B 28 W28 IR06 W28 IL06 0.7 0.6 26 W26 IR06 W26 IL06 0.7 0.6 24 W24 IR06 W24 IL06 0.7 0.6 06 4.00 22 W22 IR06 W22 IL06 0.7 0.6 19 W19 IR06 W19 IL06 0.7 0.7 18 W18 IR06 W18 IL06 0.7 0.7 28 W 28 IR08 W 28 IL08 0.7 0.7 26 W 26 IR08 W 26 IL08 0.7 0.7 24 W 24 IR08 W 24 IL08 0.7 0.7 20 W 20 IR08 W 20 IL08 08 5.00 0.7 0.7 19 W 19 IR08 W 19 IL08 0.7 0.7 18 W 18 IR08 W 18 IL08 0.7 0.7 16 W 16 IR08 W 16 IL08 0.7 0.7 72 W72 IR11 W72 IL11 0.7 0.4 60 W60 IR11 W60 IL11 0.7 0.4 56 W56 IR11 W56 IL11 0.7 0.4 48 W48 IR11 W48 IL11 0.6 0.6 40 W 40 IR11 W 40 IL11 0.6 0.6 32 W 32 IR11 W 32 IL11 0.6 0.6 28 W 28 IR11 W 28 IL11 0.6 0.7 11 6.35 26 W 26 IR11 W 26 IL11 0.7 0.8 24 W 24 IR11 W 24 IL11 0.7 0.8 20 W 20 IR11 W 20 IL11 0.8 0.9 19 W 19 IR11 W 19 IL11 0.8 1.0 18 W 18 IR11 W 18 IL11 0.8 1.0 16 W 16 IR11 W 16 IL11 0.9 1.1 14 W 14 IR11 W 14 IL11 0.9 1.1 22