Thread Insert A\ 4' Whitworth (BSW, BSF, BSP, BSB) Whitworth (BSW, BSF, BSP, BSB)(M Chip Breaker) Type Designation(Right) Designation(Left) Pitchtpi d DimensionsLhminx f Picture Type Designation(Right) Designation Pitch(Left)tpid DimensionsLhmin x f Picture ER 11-60W EL 11-60W 60 6.35 11 0.27 0.7 0.4 ERM 16-19W 19 9.525 16 0.86 0.8 1.0 11- 56W 11- 56W 56 6.35 11 0.29 0.7 0.4 16-18W 18 9.525 16 0.90 0.8 1.0 11-48W 11-48W 48 6.35 11 0.34 0.6 0.6 R 0.137 P Internal16-16W169.525161.020.91.155 11-40W 11-40W 40 6.35 11 0.41 0.6 0.6 External 16-14W 14 9.525 16 1.16 1.2 1.5 L h 11- 36W 11- 36W 36 6.35 11 0.45 0.6 0.6 v R0.137P 16-12W 12 9.525 16 1.36 1.2 1.5 External 11- 32 W 11- 32 W 32 6.35 11 0.51 0.6 0.6 11-28W 11-28W 28 6.35 11 0.58 0.6 0.7 16-11W 11 9.525 16 1.48 1.2 1.5 11-26W 11-26W 26 6.35 11 0.63 0.7 0.8 16-10W 10 9.525 16 1.63 1.1 1.5 11-24W 11-24W 24 6.35 11 0.68 0.7 0.8 11-22W 11-22W 22 6.35 11 0.74 0.8 0.9 11-20W 11-20W 20 6.35 11 0.81 0.8 0.9 11-19W 11-19W 19 6.35 11 0.86 0.8 1.0 Whitworth (U Style) 11-18W 11-18W 18 6.35 11 0.90 0.8 1.0 11-16W 11-16W 16 6.35 11 1.02 0.9 1.111-14W11-14W146.35111.161.01.2 Type Designation(Right *-- Left) Pitch Dimensions PicturetpidLhminxf 16-60W 16-60W 60 9.525 16 0.27 0.7 0.4 16- 56W 16- 56W 56 9.525 16 0.29 0.7 0.4 UEI 22-4.5W 4.5 12.7U 22 3.61 2.3 11.0 16-48W 16-48W 48 9.525 16 0.34 0.6 0.6 R0.137 P Internal55 22-4W 4 12.7U 22 4.07 1.8 11.0 External 16-40W 16-40W 40 9.525 16 0.41 0.6 0.616- 36W16- 36W369.525160.450.60.6 i h'16-32W16-32W329.525160.510.60.6External 22-3.5W 3.5 12.7U 22 4.65 2.1 11.0 R0.137P Internal53External22-3.25W3.2512.7U225.002.011.0Internal5 16- 30W 16- 30W 30 9.525 16 0.55 0.6 0.7 27-3.5W 3.5 15.875U 22 4.65 2.1 13.7 » External 16-28W 16-28W 28 9.525 16 0.58 0.6 0.7 27-3.25W 3.25 15.875U 22 5.00 2.0 13.7 16-26W 16-26W 26 9.525 16 0.63 0.7 0.8 27-3W 3 15.875U 22 5.42 2.3 13.7 16-24W 16-24W 24 9.525 16 0.68 0.7 0.8 27-2.75W 2.75 15.875U 22 5.94 2.4 13.7 16-22W 16-22W 22 9.525 16 0.74 0.8 0.9 16-20W 16-20W 20 9.525 16 0.81 0.8 0.9 16-19W 16-19W 19 9.525 16 0.86 0.8 1.0 16-18W 16-18W 18 9.525 16 0.90 0.8 1.0 Whitworth (V Style) 16-16W 16-16W 16 9.525 16 1.02 0.9 1.1 16-14W 16-14W 14 9.525 16 1.16 1.0 1.216-12W16-12W129.525161.361.11.4 Type Designation(Right) Designation Pitch(Left)tpid DimensionsLhminx f T Picture 16-11W 16-11W 11 9.525 16 1.48 1.1 1.5 16-10W 16-10W 10 9.525 16 1.63 1.1 1.5 VER 11-19W VEL 11-19W 19 6.35V 11 0.86 0.69 2.3 3.20 16-9W 16-9W 9 9.525 16 1.81 1.2 1.7 11-14W 11-14W 14 6.35V 11 1.16 0.69 2.0 3.20 16-8W 16-8W 8 9.525 16 2.03 1.2 1.5 11-11W 11-11W 11 6.35V 11 1.48 0.69 1.7 3.20 22-7W 22-7W 7 12.7 22 3.32 1.6 2.3 16-20W 16-20W 20 9.525V 16 0.81 1.0 0.9 3.60 22-6W 22-6W 6 12.7 22 2.71 1.6 2.3 16-19W 16-19W 19 9.525V 16 0.86 1.1 2.7 3.60 22 - 5W 22 - 5W 5 12.7 22 3.25 1.7 2.4 External R0.137 P Internal55' 16-18W 16-18W 18 9.525V 16 0.90 1.31 2.6 3.60 27-4.5W 27-4.5W 4.5 15.875 27 3.61 1.8 2.6 i 27-4W 27-4W 4 15.875 27 4.07 2.0 2.9 16-16W 16-16W 16 9.525V 16 1.02 1.1 2.6 3.60 h * RO . 137P 16-14W 16 -14W 14 9.525V 16 1.16 1.1 2.4 3.60 External 16-12W 16-12W 12 9.525V 16 1.36 1.1 2.2 3.60 16-11W 16-11W 11 9.525V 16 1.48 1.1 2.1 3.60 27-4W 27 -4W 4 15.875V 27 4.07 1.0 3.3 6.35 27-3W 27 - 3W 3 15.875V 27 5.42 1.0 4.3 8.70 27-2.5W 27-2.5W 2.5 15.875V 27 6.51 1.0 5.2 10.2 303 304