HI Thread Insert Thread Insert HI Whitworth ( BSW, BSF, BSP, BSB) Whitworth (M Chip Breaker) Pitch Dimensions Pitch Dimensions 0 Q_ Designation Designation Picture 0 CL Designation Designation Picture (Right) (Left ) (tpi) d L hmin x f (Right) ( Left ) (tpi) d L hmin x f IR 11 - 72W IL 11 - 72W 72 6.35 0.23 0.7 0.4 IRM 16 - 14W 14 9.525 16 1.16 1.0 1.2 11 - 60W 11 - 60W 60 6.35 0.27 0.7 0.4 16 - 11 W 11 9.525 16 1.48 1.1 1.5 11 - 56W 11 - 56W 56 6.35 11 0.29 0.7 0.4 CD c 11 - 48W 11 48W - 48 6.35 11 0.34 0.6 0.6 0 L C 11 - 40W 11 - 40W 40 6.35 0.41 0.6 0.6 11 - 36W 11 - 36W 36 6.35 0.45 0.6 0.6 11 - 32W 11 - 32W 32 6.35 0.51 0.6 0.6 11 - 28W 11 - 28W 28 6.35 0.58 0.6 0.7 11 - 26W 11 - 26W 26 6.35 11 0.63 0.7 0.8 11 - 24W 11 24W - 24 6.35 11 0.68 0.7 0.8 11 - 22W 11 - 22W 22 6.35 0.74 0.8 0.9 11 - 20W 11 - 20W 20 6.35 0.81 0.8 0.9 11 - 19W 11 - 19W 19 6.35 0.86 0.8 1.0 11 - 18W 11 - 18W 18 6.35 0.90 0.8 1.0 11 - 16W 11 16W - 16 6.35 11 1.02 0.9 1.1 11 - 14W 11 - 14W 14 6.35 11 1.16 1.0 1.2 16 - 72W 16 - 72W 72 9.525 16 0.23 0.7 0.4 16- 60W 16 - 60W 60 9.525 16 0.27 0.7 0.4 035 036 16 - 56W 16 - 56W 56 9.525 16 0.29 0.7 0.4 Whitworth (U Chip Breaker) 16 - 48W 16 - 48W 48 9.525 16 0.34 0.6 0.6 x CD 16 40W 16 40W 40 9.525 16 0.41 0.6 0.6 Interna c - - 55 M Pitch Dimensions 0 0 16- 36W 16 - 36W 36 9.525 16 0.45 0.6 0.6 L Q. Designation Designation c Picture (Right ) ( Left ) ( tpi) d L hmin x f 16 - 32W 16 - 32W 32 9.525 16 0.51 0.6 0.6 R0.137P 16- 30W 16 - 30W 30 9.525 16 0.55 0.6 0.7 Externa IRU 16 - 20 W 20 9.525 16 0.81 0.8 0.9 16 - 28W 16 - 28W 28 9.525 16 0.58 0.6 0.7 16 -19 W 19 9.525 16 0.86 0.8 1.0 16 - 26W 16 - 26W 26 9.525 16 0.63 0.7 0.8 CD 16 -18 W 18 9.525 16 0.90 0.8 1.0 -x 16- 24W 16 - 24W 24 9.525 16 0.68 0.7 0.8 c ' R 0.137P Internal 0 16 - 16 W 16 9.525 16 1.02 0.9 1.1 55° 16- 22W 16 - 22W 22 9.525 16 0.74 0.8 0.9 x LU 16 -14 W 14 9.525 16 1.16 1.0 1.2 i 16- 20W 16 - 20W 20 9.525 16 0.81 0.8 0.9 h 16 - 12 W 12 9.525 16 1.36 1.1 1.4 f 16- 19W 16 - 19W 19 9.525 16 0.86 0.8 1.0 R 0.137P External 16 -11 W 11 9.525 16 1.48 1.1 1.5 16 - 18W 16 18W - 18 9.525 16 0.90 0.8 1.0 16 - 1 OW 10 9.525 16 1.63 1.1 1.5 16- 16W 16 - 16W 16 9.525 16 1.02 0.9 1.1 16 - 9 W 9 9.525 16 1.81 1.2 1.7 16 - 14W 16 - 14W 14 9.525 16 1.16 1.0 1.2 16 - 8 W 8 9.525 16 2.03 1.1 1.5 16- 12W 16 - 12W 12 9.525 16 1.36 1.1 1.4 16- 11 W 16 - 11 W 11 9.525 16 1.48 1.5 16- 10W 16 - 1 OW 10 9.525 16 1.63 1.5 16 9W - 16 9W - 9 9.525 16 1.81 1.2 1.7 16- 8W 16 - 8W 8 9.525 16 2.03 1.2 1.5 22 - 7W 22 - 7W 7 12.7 22 3.32 1.6 2.3 22 - 6W 22 - 6W 6 12.7 22 2.71 1.6 2.3 22 - 5W 22 - 5W 5 12.7 22 3.25 1.7 2.4 27 - 4.5W 27 - 4.5W 4.5 15.875 27 3.61 1.8 2.6 27 - 4W 27 - 4W 4 15.875 27 4.07 2.0 2.9