HSS expansion hand reamer, Straight flute,Din859 FORM A,H7 d1 mm L1 mm L2 mm d1 mm L1 mm L2 mm 4 76 24 14 163 61 5 87 30 15 163 61 6 93 33 16 175 67 7 107 38 17 175 67 8 115 42 18 188 68 9 124 46 19 188 68 10 133 50 20 201 75 11 142 51 22 215 82 12 152 56 24 231 85 13 152 56 25 231 85 Spiral flute hand expansion reamer available. American standard hand expansion reamer available. Expansion reamer for machine use on request.