1518 CONTACT INFORMATION For more information please call +44 1530 261 145 or send an email to sales@atagarryson.com Fabrication tolerances for reamers in µ = 0.001 mm Excerpt from DIN 1420 Acceptable up and down allowance from nominal diameter d1 for reamer in µm for the tolerance zone of the drilling Nominal diameter for reamers d1 in mm 9 11 8 9 10 11 8 9 10 11 A > 1 + 291 + 321 + 151 + 161 + 174 + 191 + 71 + 81 + 94 + 111 < 3 + 282 + 300 + 146 +152 + 160 + 170 + 66 +72 + 80 + 90 > 3 + 295 + 333 + 155 + 165 + 180 + 203 + 85 + 95 + 110 + 133 < 6 + 284 + 306 +148 + 154 + 163 + 176 + 78 + 84 + 93 + 106 > 6 + 310 + 356 + 168 + 180 + 199 + 226 + 98 + 110 + 129 + 156 < 10 + 297 + 324 + 160 + 167 + 178 + 194 + 90 + 97 + 108 + 124 > 10 + 326 + 383 + 172 + 186 + 209 + 243 + 117 + 131 + 154 + 188 < 18 + 310 + 344 + 162 + 170 + 184 + 204 + 107 + 115 + 129 + 149 > 18 + 344 + 410 + 188 + 204 + 231 + 270 + 138 + 154 + 181 + 220 < 30 + 325 + 364 + 176 + 185 + 201 + 224 + 126 + 135 + 151 + 174 B C Acceptable up and down allowance from nominal diameter d1 for reamer in µm for the tolerance zone of the drilling Nominal diameter for reamers d1 in mm 6 7 6 7 8 9 10 11 12 6 7 8 G > 1 + 7 + 10 + 5 + 8 + 11 + 21 + 34 + 51 +85 +1 + 2 + 3 < 3 + 4 + 6 +2 + 4 + 6 + 12 + 20 + 30 + 50 - 2 - 2 - 2 > 3 + 10 + 14 + 6 + 10 + 15 + 25 + 40 + 63 + 102 + 3 + 4 + 7 < 6 + 7 + 9 + 3 + 5 + 8 + 14 + 23 + 36 + 60 0 - 1 0 > 6 + 12 + 17 + 7 + 12 + 18 + 30 + 49 + 76 + 127 + 3 + 5 + 8 < 10 + 8 + 11 + 3 + 6 + 10 + 17 + 28 + 44 + 74 - 1 - 1 0 > 10 + 15 + 21 + 9 + 15 + 22 + 36 + 59 + 93 + 153 + 4 + 7 + 10 < 18 + 11 + 14 + 5 + 8 + 12 + 20 + 34 + 54 + 90 0 0 0 > 18 + 18 + 24 + 11 + 17 + 28 + 44 + 71 + 110 + 178 + 6 + 8 + 15 < 30 + 13 + 16 + 6 + 9 + 16 + 25 + 41 + 64 + 104 + 1 0 + 3 H J Acceptable up and down allowance from nominal diameter d1 for reamer in µm for the tolerance zone of the drilling Nominal diameter for reamers d1 in mm 6 7 8 9 6 7 8 6 7 8 JS > 1 + 2 + 3 + 4 + 8 - 1 - 2 - 3 - 3 - 4 - 5 < 3 - 1 - 1 - 1 - 1 - 4 - 6 - 8 - 6 - 8 - 10 > 3 + 2 + 4 + 6 + 10 0 + 1 + 2 - 3 - 2 - 1 < 6 - 1 - 1 - 1 - 1 - 3 - 4 - 5 - 6 - 7 - 8 > 6 + 3 + 5 + 7 + 12 0 + 2 + 2 - 5 - 3 - 3 < 10 -1 - 1 - 1 - 1 - 4 - 4 - 6 - 9 - 9 - 11 > 10 + 3 + 6 + 9 + 15 0 + 3 + 3 - 6 - 3 - 3 < 18 - 1 - 1 - 1 - 1 - 4 - 4 - 7 - 10 - 10 - 13 > 18 + 4 + 7 + 11 +18 0 + 2 + 5 - 6 - 4 - 1 < 30 - 1 - 1 - 1 - 1 - 5 - 6 - 7 - 11 - 12 - 13 K M Acceptable up and down allowance from nominal diameter d1 for reamer in µm for the tolerance zone of the drilling Nominal diameter for reamers d1 in mm 6 7 8 9 10 11 66 7 6 7 N > 1 - 5 - 6 - 7 - 8 - 10 - 13 - 7 - 8 - 11 - 12 < 3 - 8 - 10 - 12 - 17 - 24 - 34 - 10 - 12 - 14 - 16 > 3 - 7 - 6 - 5 - 5 - 8 - 12 - 11 - 10 - 14 - 13 < 6 - 10 -11 - 12 - 16 - 25 - 39 - 14 - 15 - 17 - 18 > 6 - 9 - 7 - 7 - 6 - 9 - 14 - 14 - 12 - 18 - 16 < 10 - 13 - 13 - 15 - 19 - 30 - 46 - 18 - 18 - 22 - 22 > 10 - 11 - 8 - 8 - 7 - 11 - 17 - 17 - 14 - 22 - 19 < 18 - 15 - 15 - 18 - 23 - 36 - 56 - 21 - 21 - 26 - 26 > 18 - 13 - 11 - 8 - 8 - 13 - 20 - 20 - 18 - 26 - 24 < 30 - 18 - 19 - 20 - 27 - 43 - 66 - 25 - 26 - 31 - 32 P R Acceptable up and down allowance from nominal diameter d1 for reamer in µm for the tolerance zone of the drilling Nominal diameter for reamers d1 in mm 6 7 6 6 7 10 10 11 10 11 U > 1 - 15 - 16 – - 19 - 20 - 24 – – - 32 – < 3 - 18 - 20 – - 22 - 24 - 38 – – - 46 – > 3 - 18 - 17 – - 22 - 21 - 31 – – - 43 – < 6 - 21 - 22 – - 25 - 26 - 48 – – - 60 – > 6 - 22 - 20 – - 27 - 25 - 37 – – - 51 – < 10 - 26 - 26 – - 31 - 31 - 58 – – - 72 – > 10 – – – – – – – – - 61 – < 14 - 27 - 24 – - 32 - 29 - 44 – – - 86 – > 14 - 31 - 31 – - 36 - 36 - 69 - 56 – - 71 – < 18 – – – – – – - 81 – - 96 – > 18 – – – - 39 - 37 – - 67 – - 86 – < 24 - 33 - 31 – - 44 - 45 – - 97 – - 116 – > 24 - 38 - 39 - 39 - 46 - 44 – - 77 – - 101 - 108 < 30 – – - 44 - 51 - 52 – - 107 – - 131 - 154 X Z T S 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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