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REAMERS Reamer Manufacturing Tolerances (continued) USER GUIDE

Reamer Manufacturing Tolerances DIN 1420
Nominal Diameter of
Admissible maximum and minimum reamer dimensions of
Reamer D1 in mm
M8
N6
M7
N7
N9
N8
Over
-3
-3
-2
-8
-10
-5
-13
-5
-7
-8
-7
3
-1
-4
-6
1 Up to K6 K7 K8 M6 nominal diameter d1 in µm for drilling tolerance range N10 N11 P6 P7
-4 -6 -8 -6 -8 -10 -8 -10 -12 -17 -24 -34 -10 -12
3 6 0 +1 +2 -3 -2 -1 -7 -6 -5 -5 -8 -12 -11 -10
-3 -4 -5 -6 -7 -8 -10 -11 -12 -16 -25 -39 -14 -15
6 10 0 +2 +2 -5 -3 -3 -9 -7 -7 -6 -9 -14 -14 -12
-4 -4 -6 -9 -9 -11 -13 -13 -15 -19 -30 -46 -18 -18
10 18 0 +3 +3 -6 -3 -3 -11 -8 -8 -7 -11 -17 -17 -14
-4 -4 -7 -10 -10 -13 -15 -15 -18 -23 -36 -56 -21 -21
18 30 0 +2 +5 -6 -4 -1 -13 -11 -8 -8 -13 -20 -20 -18
-5 -6 -7 -11 -12 -13 -18 -19 -20 -27 -43 -66 -25 -26
30 50 0 +3 +6 -7 -4 -1 -15 -12 -9 -10 -15 -24 -24 -21
-6 -6 -8 -13 -13 -15 -21 -21 -23 -32 -50 -80 -30 -30
50 80 +1 +4 +7 -8 -5 -2 -17 -14 -11 -12 -18 -29 -29 -26
-6 -7 -10 -15 -16 -19 -24 -25 -28 -38 -60 -96 -36 -37
80 120 0 +4 +7 -10 -6 -3 -20 -16 -13 -14 -21 -33 -34 -30
-8 -9 -12 -18 -19 -22 -28 -29 -32 -45 -70 -110 -42 -43
120 180 0 +6 +10 -12 -6 -2 -24 -18 -14 -15 -24 -38 -40 -34
-9 -8 -13 -21 -20 -25 -33 -32 -37 -50 -80 -126 -49 +48

396 ISCAR