
Threading Inserts WHITWORTH BSW, BSF, BSP EXTERNAL B.S.84: 1956 B ISO 228-1: 1994 A W NUT R 0.137P 55° L R 0.137P I.C. W SCREW PITCH CATALOG NUMBER DIMENSIONS RIGHT HAND LEFT HAND L I.C. A B TPI mm 72 W72 ER11 W72 EL11 0.6 0.4 60 W60 ER11 W60 EL11 0.6 0.4 56 W56 ER11 W56 EL11 0.6 0.4 48 W48 ER11 W48 EL11 0.6 0.6 40 W 40 ER11 W 40 EL11 0.6 0.6 36 W36 ER11 W36 EL11 0.6 0.6 32 W 32 ER11 W 32 EL11 0.6 0.6 28 W 28 ER11 W 28 EL11 0.6 0.7 26 W 26 ER11 W 26 EL11 0.7 0.8 24 W 24 ER11 W 24 EL11 11 6.35 0.7 0.8 22 W 22 ER11 W 22 EL11 0.8 0.9 20 W 20 ER11 W 20 EL11 0.8 0.9 19 W 19 ER11 W 19 EL11 0.8 1.0 18 W 18 ER11 W 18 EL11 0.8 1.0 16 W 16 ER11 W 16 EL11 0.9 1.1 14 W 14 ER11 W 14 EL11 0.9 1.0 72 W72 ER16 W72 EL16 0.7 0.4 60 W60 ER16 W60 EL16 0.7 0.4 56 W56 ER16 W56 EL16 0.7 0.4 48 W48 ER16 W48 EL16 0.6 0.6 16 9.525 40 W 40 ER16 W 40 EL16 0.6 0.6 36 W 36 ER16 W 36 EL16 0.6 0.6 continued on next page 19