d 1 d 1 d 1 l 2 l 1 Øh 8 Øh 8 decimal A110 Inch mm Inch mm mm 8.25 0.3248 109 165 A1108.25 8.30 0.3268 109 165 A1108.3 8.40 0.3307 109 165 A1108.4 8.50 0.3346 109 165 A1108.5 8.60 0.3386 115 175 A1108.6 8.70 0.3425 115 175 A1108.7 11/32 8.73 0.3437 115 175 A11011/32 8.75 0.3445 115 175 A1108.75 8.80 0.3465 115 175 A1108.8 8.90 0.3504 115 175 A1108.9 9.00 0.3543 115 175 A1109.0 9.10 0.3583 115 175 A1109.1 9.20 0.3622 115 175 A1109.2 9.25 0.3642 115 175 A1109.25 9.30 0.3661 115 175 A1109.3 9.40 0.3701 115 175 A1109.4 9.50 0.3740 115 175 A1109.5 3/8 9.52 0.3748 121 184 A1103/8 9.60 0.3780 121 184 A1109.6 9.70 0.3819 121 184 A1109.7 9.75 0.3839 121 184 A1109.75 9.80 0.3858 121 184 A1109.8 9.90 0.3898 121 184 A1109.9 10.00 0.3937 121 184 A11010.0 10.10 0.3976 121 184 A11010.1 10.20 0.4016 121 184 A11010.2 10.25 0.4035 121 184 A11010.25 10.30 0.4055 121 184 A11010.3 13/32 10.32 0.4063 121 184 A11013/32 10.50 0.4134 121 184 A11010.5 10.75 0.4232 128 195 A11010.75 10.80 0.4252 128 195 A11010.8 11.00 0.4331 128 195 A11011.0 7/16 11.11 0.4374 128 195 A1107/16 11.25 0.4429 128 195 A11011.25 11.40 0.4488 128 195 A11011.4 11.50 0.4528 128 195 A11011.5 11.75 0.4626 128 195 A11011.75 12.00 0.4724 134 205 A11012.0 12.10 0.4764 134 205 A11012.1 12.25 0.4823 134 205 A11012.25 12.50 0.4921 134 205 A11012.5 1/2 12.70 0.5000 134 205 A1101/2 13.00 0.5118 134 205 A11013.0 17/32 13.49 0.5311 140 214 A11017/32 13.50 0.5315 140 214 A11013.5 14.00 0.5512 140 214 A11014.0 9/16 14.29 0.5626 144 220 A1109/16 14.50 0.5709 144 220 A11014.5 15.00 0.5906 144 220 A11015.0 15.50 0.6102 149 227 A11015.5 5/8 15.88 0.6252 149 227 A1105/8 16.00 0.6299 149 227 A11016.0 16.50 0.6496 154 235 A11016.5 17.00 0.6693 154 235 A11017.0 11/16 17.46 0.6874 158 241 A11011/16 17.50 0.6890 158 241 A11017.5 18.00 0.7087 158 241 A11018.0 18.50 0.7283 162 247 A11018.5 19.00 0.7480 162 247 A11019.0 3/4 19.05 0.7500 166 254 A1103/4 19.50 0.7677 166 254 A11019.5 20.00 0.7874 166 254 A11020.0 21.00 0.8268 171 261 A11021.0 22.00 0.8661 176 268 A11022.0 7/8 22.22 0.8748 176 268 A1107/8 15/16 23.81 0.9374 185 282 A11015/16 1“ 25.40 1.0000 190 290 A1101 88