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20 Rc 3/4 90 40 145 160 100 2.0
25 Rc 1/2 100 50 164 186 120 3.3
32 Rc 1 1/4 120 58 187 216 140 1.8
40 Rc 1 1/2 130 66 215 250 160 6.7
50 Rc 2 140 78 233 276 180 9.6