d 1 d 1 d 1 l 2 l 1 Øh 8 Øh 8 decimal A345 Inch mm Inch mm mm MK 18.00 0.7087 245 370 2 A34518.0 18.50 0.7283 245 370 2 A34518.5 19.00 0.7480 245 370 2 A34519.0 3/4 19.05 0.7500 260 385 2 A3453/4 19.50 0.7677 260 385 2 A34519.5 20.00 0.7874 260 385 2 A34520.0 20.50 0.8071 260 385 2 A34520.5 21.00 0.8268 260 385 2 A34521.0 21.50 0.8465 270 405 2 A34521.5 22.00 0.8661 270 405 2 A34522.0 7/8 22.22 0.8748 270 405 2 A3457/8 22.50 0.8858 270 405 3 A34522.5 23.00 0.9055 270 405 3 A34523.0 23.50 0.9252 270 425 3 A34523.5 24.00 0.9449 290 440 3 A34524.0 24.50 0.9646 290 440 3 A34524.5 25.00 0.9843 290 440 3 A34525.0 1“ 25.40 1.0000 290 440 3 A3451 3) 25.50 1.0039 290 440 3 A34525.5 3) 26.00 1.0236 290 440 3 A34526.0 3) 26.50 1.0433 290 440 3 A34526.5 3) 27.00 1.0630 305 460 3 A34527.0 3) 28.00 1.1024 305 460 3 A34528.0 3) 29.00 1.1417 305 460 3 A34529.0 3) 30.00 1.1811 305 460 3 A34530.0 3) 1.1/4 31.75 1.2500 320 480 3 A3451.1/4 3) 31.00 1.2205 320 480 3 A34531.0 3) 32.00 1.2598 320 505 4 A34532.0 3) 33.00 1.2992 320 505 4 A34533.0 3) 34.00 1.3386 340 530 4 A34534.0 3) 35.00 1.3780 340 530 4 A34535.0 3) 36.00 1.4173 340 530 4 A34536.0 3) 37.00 1.4567 340 530 4 A34537.0 3) 38.00 1.4961 360 555 4 A34538.0 3) 1.1/2 38.10 1.5000 360 555 4 A3451.1/2 3) 39.00 1.5354 360 555 4 A34539.0 3) 40.00 1.5748 360 555 4 A34540.0 3) 41.00 1.6142 360 555 4 A34541.0 3) 42.00 1.6535 360 555 4 A34542.0 3) 1.3/4 44.45 1.7500 385 585 4 A3451.3/4 3) 45.00 1.7717 385 585 4 A34545.0 3) 48.00 1.8898 405 605 4 A34548.0 3) 50.00 1.9685 405 605 4 A34550.0 3) 3) < 10xD 109