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USER GUIDE

Reamer Manufacturing Tolerances (continued)
Reamer Manufacturing Tolerances DIN 1420 REAMERS
Nominal Diameter of
Reamer D1 in mm Admissible maximum and minimum reamer dimensions of
nominal diameter d1 in µm for drilling tolerance range
Over Up to R6 R7 S6 S7 T6 U6 U7 U10 X10 X11 Z10 Z11
1 3 -11 -12 -15 -16 -19 -19 -20 -24 -26 -29 -32 -35
-14 -16 -18 -20 -22 -22 -24 -38 -40 -50 -46 -56
3 6 -14 -13 -18 -17 -22 -22 -21 -31 -36 -40 -43 -47
-17 -18 -21 -22 -25 -25 -26 -48 -53 -67 -60 -56
6 10 -18 -16 -22 -20 -27 -27 -25 -37 -43 -48 -51 -47
-22 -22 -26 -26 -31 -31 -31 -58 -64 -80 -72 -74
10 14 -22 -19 -27 -24 -32 -32 -29 -44 -51 -57 -61 -56
-26 -26 -31 -31 -36 -36 -36 -69 -76 -96 -86 -88
14 18 -22 -19 -27 -24 -32 -32 -29 -44 - 56 -62 -71 -67
-26 -26 -31 -31 -36 -36 -36 -69 - 81 -101 -96 -106
18 24 -26 -24 -33 -31 -39 -39 -37 -54 - 67 -74 -86 -77
-31 -32 -38 -39 -44 -44 -45 -84 - 97 -120 -116 -116
24 30 -26 -24 -33 -31 -39 -46 -44 -61 - 77 -84 -101 -108
-31 -32 -38 -39 -44 -51 -52 -69 -107 -130 -131 -154
30 40 -32 -29 -41 -38 -46 -58 -55 -75 - 95 -104 -127 -136
-38 -38 -47 -47 -52 -64 -64 -110 -130 -160 -162 -192
40 50 -32 -29 -41 -38 -52 -68 -65 -85 -112 -121 -151 -160
-38 -38 -47 -47 -58 -74 -74 -120 -147 -177 -186 -216
50 65 -38 -35 -50 -47 -63 -84 -81 -105 -140 -151 -190 -201
-45 -46 -57 -58 -70 -91 -92 -147 -182 -218 -232 -268
65 80 -40 -37 -56 -53 -72 -99 -96 -120 -164 -175 -228 -239
-47 -48 -63 -64 -79 -106 -107 -162 -206 -242 -170 -306
80 100 -48 -44 -68 -64 -88 -121 -117 -145 -199 -211 -179 -291
-56 -57 -76 -77 -96 -129 -130 -194 -248 -288 -328 -368
100 120 -51 -47 -76 -72 -101 -141 -139 -165 -231 -243 -331 -343
-59 -60 -84 -85 -109 -149 -150 -214 -280 -320 -380 -420
120 140 -60 -54 -89 -83 -119 -167 -161 -194 -272 -286 -389 -403
-69 -68 -98 -97 -128 -176 -175 -250 -328 -374 -445 -491
140 160 -62 -56 -97 -91 -131 -187 -181 -214 -304 -318 -439 -453
-71 -70 -106 -105 -140 -196 -195 -270 -360 -406 -495 -541
Over Up to H6 H7 H8 H9 H10 H11 H12 J6 J7 J8 JS6 JS7 JS8 JS9
1 3 +5 +8 +11 +21 +34 +51 +85 +1 +2 +3 +2 +3 +4 +8
+2 +4 +6 +12 +20 +30 +50 -2 -2 -2 -1 -1 -1 -1
3 6 +6 +10 +15 +25 +40 +63 +102 +3 +4 +7 +2 +4 +6 +10
+3 +5 +8 +14 +23 +30 +60 0 -1 0 -1 -1 -1 -1
6 10 +7 +12 +18 +30 +49 +76 +127 +3 +5 +8 +3 +5 +7 +12
+3 +6 +10 +17 +28 +44 +74 -1 -1 0 -1 -1 -1 -1
10 16 +9 +15 +22 +36 +59 +93 +153 +4 +7 +10 +3 +6 +9 +15
+5 +8 +12 +20 +34 +54 +90 0 0 0 -1 -1 -1 -1
18 30 +11 +17 +28 +44 +71 +110 +178 +6 +8 +15 +4 +7 +11 +18
+6 +9 +16 +25 +41 +64 +104 +1 0 +3 -1 -1 -1 -1
30 50 +13 +21 +33 +52 +85 +136 +212 +7 +10 +18 +5 +8 +13 +21
+7 +12 +19 +30 +50 +80 +124 +1 +1 +4 -1 -1 -1 -1
50 80 +16 +25 +39 +62 +102 +161 +255 +10 +13 +21 +6 +10 +16 +25
+9 +14 +22 +36 +60 +94 +150 +3 +2 +4 -1 -1 -1 -1
90 120 +18 +29 +45 +73 +119 +187 +297 +12 +16 +25 +7 +12 +18 +30
+10 +16 +26 +42 +70 +110 +174 +4 +3 +6 -1 -1 -1 -1
120 180 +21 +34 +53 +85 +136 +212 +360 +14 +20 +31 +8 +16 +72 +35
+12 +20 +30 +50 +80 +124 +200 +5 +6 +8 -1 0 -1 0

395